Home / 42,343.35-63,470.22-15,672.16

Finding the Fourth Proportional to 42,343.35, 63,470.22 and 15,672.16

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Solution

The fourth proportional to 42,343.35, 63,470.22 and 15,672.16 is: 23,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.35 : 63,470.22 = 15,672.16 : x
  2. Step 2: Convert to fraction form
    42,343.35/63,470.22 = 15,672.16/x
  3. Step 3: Cross multiply
    42,343.35x = 63,470.22 × 15,672.16
  4. Step 4: Simplify right side
    42,343.35x = 994,715,443.08
  5. Step 5: Solve for x
    x = 994,715,443.08/42,343.35
  6. Step 6: Final answer
    x = 23,491.66

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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.