Home / 30,752,144.89-42,438,845.68-17,001,994.75

Finding the Fourth Proportional to 30,752,144.89, 42,438,845.68 and 17,001,994.75

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Solution

The fourth proportional to 30,752,144.89, 42,438,845.68 and 17,001,994.75 is: 23,463,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,144.89 : 42,438,845.68 = 17,001,994.75 : x
  2. Step 2: Convert to fraction form
    30,752,144.89/42,438,845.68 = 17,001,994.75/x
  3. Step 3: Cross multiply
    30,752,144.89x = 42,438,845.68 × 17,001,994.75
  4. Step 4: Simplify right side
    30,752,144.89x = 721,545,031,447,420.12
  5. Step 5: Solve for x
    x = 721,545,031,447,420.12/30,752,144.89
  6. Step 6: Final answer
    x = 23,463,242.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.