Home / 51,513.47-77,255.92-18,229.15

Finding the Fourth Proportional to 51,513.47, 77,255.92 and 18,229.15

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Solution

The fourth proportional to 51,513.47, 77,255.92 and 18,229.15 is: 27,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.47 : 77,255.92 = 18,229.15 : x
  2. Step 2: Convert to fraction form
    51,513.47/77,255.92 = 18,229.15/x
  3. Step 3: Cross multiply
    51,513.47x = 77,255.92 × 18,229.15
  4. Step 4: Simplify right side
    51,513.47x = 1,408,309,276.64
  5. Step 5: Solve for x
    x = 1,408,309,276.64/51,513.47
  6. Step 6: Final answer
    x = 27,338.66

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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.