Home / 42,491.50-63,744.84-17,517.66

Finding the Fourth Proportional to 42,491.50, 63,744.84 and 17,517.66

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Solution

The fourth proportional to 42,491.50, 63,744.84 and 17,517.66 is: 26,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,491.50 : 63,744.84 = 17,517.66 : x
  2. Step 2: Convert to fraction form
    42,491.50/63,744.84 = 17,517.66/x
  3. Step 3: Cross multiply
    42,491.50x = 63,744.84 × 17,517.66
  4. Step 4: Simplify right side
    42,491.50x = 1,116,660,433.87
  5. Step 5: Solve for x
    x = 1,116,660,433.87/42,491.50
  6. Step 6: Final answer
    x = 26,279.62

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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.