Home / 41,397.78-57,130.05-22,535.70

Finding the Fourth Proportional to 41,397.78, 57,130.05 and 22,535.70

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Solution

The fourth proportional to 41,397.78, 57,130.05 and 22,535.70 is: 31,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,397.78 : 57,130.05 = 22,535.70 : x
  2. Step 2: Convert to fraction form
    41,397.78/57,130.05 = 22,535.70/x
  3. Step 3: Cross multiply
    41,397.78x = 57,130.05 × 22,535.70
  4. Step 4: Simplify right side
    41,397.78x = 1,287,465,667.79
  5. Step 5: Solve for x
    x = 1,287,465,667.79/41,397.78
  6. Step 6: Final answer
    x = 31,099.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.