Home / 38,062.40-57,007.20-19,572.80

Finding the Fourth Proportional to 38,062.40, 57,007.20 and 19,572.80

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Solution

The fourth proportional to 38,062.40, 57,007.20 and 19,572.80 is: 29,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,062.40 : 57,007.20 = 19,572.80 : x
  2. Step 2: Convert to fraction form
    38,062.40/57,007.20 = 19,572.80/x
  3. Step 3: Cross multiply
    38,062.40x = 57,007.20 × 19,572.80
  4. Step 4: Simplify right side
    38,062.40x = 1,115,790,524.16
  5. Step 5: Solve for x
    x = 1,115,790,524.16/38,062.40
  6. Step 6: Final answer
    x = 29,314.77

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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.