Home / 51,336.31-77,007.18-16,278.70

Finding the Fourth Proportional to 51,336.31, 77,007.18 and 16,278.70

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Solution

The fourth proportional to 51,336.31, 77,007.18 and 16,278.70 is: 24,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.31 : 77,007.18 = 16,278.70 : x
  2. Step 2: Convert to fraction form
    51,336.31/77,007.18 = 16,278.70/x
  3. Step 3: Cross multiply
    51,336.31x = 77,007.18 × 16,278.70
  4. Step 4: Simplify right side
    51,336.31x = 1,253,576,781.07
  5. Step 5: Solve for x
    x = 1,253,576,781.07/51,336.31
  6. Step 6: Final answer
    x = 24,418.91

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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.