Home / 30,752,142.09-42,438,841.82-17,001,991.95

Finding the Fourth Proportional to 30,752,142.09, 42,438,841.82 and 17,001,991.95

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Solution

The fourth proportional to 30,752,142.09, 42,438,841.82 and 17,001,991.95 is: 23,463,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,142.09 : 42,438,841.82 = 17,001,991.95 : x
  2. Step 2: Convert to fraction form
    30,752,142.09/42,438,841.82 = 17,001,991.95/x
  3. Step 3: Cross multiply
    30,752,142.09x = 42,438,841.82 × 17,001,991.95
  4. Step 4: Simplify right side
    30,752,142.09x = 721,544,847,224,492.75
  5. Step 5: Solve for x
    x = 721,544,847,224,492.75/30,752,142.09
  6. Step 6: Final answer
    x = 23,463,238.59

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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.