Home / 38,480.60-57,740.86-29,117.80

Finding the Fourth Proportional to 38,480.60, 57,740.86 and 29,117.80

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Solution

The fourth proportional to 38,480.60, 57,740.86 and 29,117.80 is: 43,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.60 : 57,740.86 = 29,117.80 : x
  2. Step 2: Convert to fraction form
    38,480.60/57,740.86 = 29,117.80/x
  3. Step 3: Cross multiply
    38,480.60x = 57,740.86 × 29,117.80
  4. Step 4: Simplify right side
    38,480.60x = 1,681,286,813.31
  5. Step 5: Solve for x
    x = 1,681,286,813.31/38,480.60
  6. Step 6: Final answer
    x = 43,691.80

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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.