Home / 51,342.71-77,023.17-18,082.08

Finding the Fourth Proportional to 51,342.71, 77,023.17 and 18,082.08

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Solution

The fourth proportional to 51,342.71, 77,023.17 and 18,082.08 is: 27,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.71 : 77,023.17 = 18,082.08 : x
  2. Step 2: Convert to fraction form
    51,342.71/77,023.17 = 18,082.08/x
  3. Step 3: Cross multiply
    51,342.71x = 77,023.17 × 18,082.08
  4. Step 4: Simplify right side
    51,342.71x = 1,392,739,121.79
  5. Step 5: Solve for x
    x = 1,392,739,121.79/51,342.71
  6. Step 6: Final answer
    x = 27,126.33

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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.