Home / 48,345.71-72,517.64-19,876.46

Finding the Fourth Proportional to 48,345.71, 72,517.64 and 19,876.46

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Solution

The fourth proportional to 48,345.71, 72,517.64 and 19,876.46 is: 29,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.71 : 72,517.64 = 19,876.46 : x
  2. Step 2: Convert to fraction form
    48,345.71/72,517.64 = 19,876.46/x
  3. Step 3: Cross multiply
    48,345.71x = 72,517.64 × 19,876.46
  4. Step 4: Simplify right side
    48,345.71x = 1,441,393,508.78
  5. Step 5: Solve for x
    x = 1,441,393,508.78/48,345.71
  6. Step 6: Final answer
    x = 29,814.30

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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.