Home / 42,531.68-63,797.67-12,546.29

Finding the Fourth Proportional to 42,531.68, 63,797.67 and 12,546.29

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Solution

The fourth proportional to 42,531.68, 63,797.67 and 12,546.29 is: 18,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.68 : 63,797.67 = 12,546.29 : x
  2. Step 2: Convert to fraction form
    42,531.68/63,797.67 = 12,546.29/x
  3. Step 3: Cross multiply
    42,531.68x = 63,797.67 × 12,546.29
  4. Step 4: Simplify right side
    42,531.68x = 800,424,069.14
  5. Step 5: Solve for x
    x = 800,424,069.14/42,531.68
  6. Step 6: Final answer
    x = 18,819.48

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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.