Home / 61,087.13-84,281.89-39,542.75

Finding the Fourth Proportional to 61,087.13, 84,281.89 and 39,542.75

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Solution

The fourth proportional to 61,087.13, 84,281.89 and 39,542.75 is: 54,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,087.13 : 84,281.89 = 39,542.75 : x
  2. Step 2: Convert to fraction form
    61,087.13/84,281.89 = 39,542.75/x
  3. Step 3: Cross multiply
    61,087.13x = 84,281.89 × 39,542.75
  4. Step 4: Simplify right side
    61,087.13x = 3,332,737,086.67
  5. Step 5: Solve for x
    x = 3,332,737,086.67/61,087.13
  6. Step 6: Final answer
    x = 54,557.11

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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.