Home / 72,444.38-108,670.21-25,700.90

Finding the Fourth Proportional to 72,444.38, 108,670.21 and 25,700.90

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Solution

The fourth proportional to 72,444.38, 108,670.21 and 25,700.90 is: 38,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.38 : 108,670.21 = 25,700.90 : x
  2. Step 2: Convert to fraction form
    72,444.38/108,670.21 = 25,700.90/x
  3. Step 3: Cross multiply
    72,444.38x = 108,670.21 × 25,700.90
  4. Step 4: Simplify right side
    72,444.38x = 2,792,921,592.59
  5. Step 5: Solve for x
    x = 2,792,921,592.59/72,444.38
  6. Step 6: Final answer
    x = 38,552.64

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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.