Home / 51,512.71-77,280.17-15,973.32

Finding the Fourth Proportional to 51,512.71, 77,280.17 and 15,973.32

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Solution

The fourth proportional to 51,512.71, 77,280.17 and 15,973.32 is: 23,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,512.71 : 77,280.17 = 15,973.32 : x
  2. Step 2: Convert to fraction form
    51,512.71/77,280.17 = 15,973.32/x
  3. Step 3: Cross multiply
    51,512.71x = 77,280.17 × 15,973.32
  4. Step 4: Simplify right side
    51,512.71x = 1,234,420,458.73
  5. Step 5: Solve for x
    x = 1,234,420,458.73/51,512.71
  6. Step 6: Final answer
    x = 23,963.42

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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.