Home / 38,513.20-57,769.80-37,419.70

Finding the Fourth Proportional to 38,513.20, 57,769.80 and 37,419.70

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Solution

The fourth proportional to 38,513.20, 57,769.80 and 37,419.70 is: 56,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,513.20 : 57,769.80 = 37,419.70 : x
  2. Step 2: Convert to fraction form
    38,513.20/57,769.80 = 37,419.70/x
  3. Step 3: Cross multiply
    38,513.20x = 57,769.80 × 37,419.70
  4. Step 4: Simplify right side
    38,513.20x = 2,161,728,585.06
  5. Step 5: Solve for x
    x = 2,161,728,585.06/38,513.20
  6. Step 6: Final answer
    x = 56,129.55

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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.