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Finding the Fourth Proportional to 41,555.98, 62,332.98 and 10,391.20

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Solution

The fourth proportional to 41,555.98, 62,332.98 and 10,391.20 is: 15,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,555.98 : 62,332.98 = 10,391.20 : x
  2. Step 2: Convert to fraction form
    41,555.98/62,332.98 = 10,391.20/x
  3. Step 3: Cross multiply
    41,555.98x = 62,332.98 × 10,391.20
  4. Step 4: Simplify right side
    41,555.98x = 647,714,461.78
  5. Step 5: Solve for x
    x = 647,714,461.78/41,555.98
  6. Step 6: Final answer
    x = 15,586.55

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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.