Home / 47,748.03-71,561.16-19,635.95

Finding the Fourth Proportional to 47,748.03, 71,561.16 and 19,635.95

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Solution

The fourth proportional to 47,748.03, 71,561.16 and 19,635.95 is: 29,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.03 : 71,561.16 = 19,635.95 : x
  2. Step 2: Convert to fraction form
    47,748.03/71,561.16 = 19,635.95/x
  3. Step 3: Cross multiply
    47,748.03x = 71,561.16 × 19,635.95
  4. Step 4: Simplify right side
    47,748.03x = 1,405,171,001.90
  5. Step 5: Solve for x
    x = 1,405,171,001.90/47,748.03
  6. Step 6: Final answer
    x = 29,428.88

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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.