Home / 74,149.53-111,235.14-21,552.18

Finding the Fourth Proportional to 74,149.53, 111,235.14 and 21,552.18

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Solution

The fourth proportional to 74,149.53, 111,235.14 and 21,552.18 is: 32,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,149.53 : 111,235.14 = 21,552.18 : x
  2. Step 2: Convert to fraction form
    74,149.53/111,235.14 = 21,552.18/x
  3. Step 3: Cross multiply
    74,149.53x = 111,235.14 × 21,552.18
  4. Step 4: Simplify right side
    74,149.53x = 2,397,359,759.61
  5. Step 5: Solve for x
    x = 2,397,359,759.61/74,149.53
  6. Step 6: Final answer
    x = 32,331.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.