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Finding the Fourth Proportional to 60,351.98, 83,354.85 and 39,747.58

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Solution

The fourth proportional to 60,351.98, 83,354.85 and 39,747.58 is: 54,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351.98 : 83,354.85 = 39,747.58 : x
  2. Step 2: Convert to fraction form
    60,351.98/83,354.85 = 39,747.58/x
  3. Step 3: Cross multiply
    60,351.98x = 83,354.85 × 39,747.58
  4. Step 4: Simplify right side
    60,351.98x = 3,313,153,568.76
  5. Step 5: Solve for x
    x = 3,313,153,568.76/60,351.98
  6. Step 6: Final answer
    x = 54,897.18

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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.