Home / 47,669.76-71,508-18,082.08

Finding the Fourth Proportional to 47,669.76, 71,508 and 18,082.08

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Solution

The fourth proportional to 47,669.76, 71,508 and 18,082.08 is: 27,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.76 : 71,508 = 18,082.08 : x
  2. Step 2: Convert to fraction form
    47,669.76/71,508 = 18,082.08/x
  3. Step 3: Cross multiply
    47,669.76x = 71,508 × 18,082.08
  4. Step 4: Simplify right side
    47,669.76x = 1,293,013,376.64
  5. Step 5: Solve for x
    x = 1,293,013,376.64/47,669.76
  6. Step 6: Final answer
    x = 27,124.39

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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.