Home / 42,359.88-63,498.50-20,167.29

Finding the Fourth Proportional to 42,359.88, 63,498.50 and 20,167.29

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Solution

The fourth proportional to 42,359.88, 63,498.50 and 20,167.29 is: 30,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.88 : 63,498.50 = 20,167.29 : x
  2. Step 2: Convert to fraction form
    42,359.88/63,498.50 = 20,167.29/x
  3. Step 3: Cross multiply
    42,359.88x = 63,498.50 × 20,167.29
  4. Step 4: Simplify right side
    42,359.88x = 1,280,592,873.23
  5. Step 5: Solve for x
    x = 1,280,592,873.23/42,359.88
  6. Step 6: Final answer
    x = 30,231.27

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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.