Home / 53,654.84-74,047.14-30,994.78

Finding the Fourth Proportional to 53,654.84, 74,047.14 and 30,994.78

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Solution

The fourth proportional to 53,654.84, 74,047.14 and 30,994.78 is: 42,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.84 : 74,047.14 = 30,994.78 : x
  2. Step 2: Convert to fraction form
    53,654.84/74,047.14 = 30,994.78/x
  3. Step 3: Cross multiply
    53,654.84x = 74,047.14 × 30,994.78
  4. Step 4: Simplify right side
    53,654.84x = 2,295,074,658.96
  5. Step 5: Solve for x
    x = 2,295,074,658.96/53,654.84
  6. Step 6: Final answer
    x = 42,774.80

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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.