Home / 52,291.71-78,447.29-21,148.83

Finding the Fourth Proportional to 52,291.71, 78,447.29 and 21,148.83

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Solution

The fourth proportional to 52,291.71, 78,447.29 and 21,148.83 is: 31,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.71 : 78,447.29 = 21,148.83 : x
  2. Step 2: Convert to fraction form
    52,291.71/78,447.29 = 21,148.83/x
  3. Step 3: Cross multiply
    52,291.71x = 78,447.29 × 21,148.83
  4. Step 4: Simplify right side
    52,291.71x = 1,659,068,294.43
  5. Step 5: Solve for x
    x = 1,659,068,294.43/52,291.71
  6. Step 6: Final answer
    x = 31,727.18

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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.