Home / 52,522.40-72,479.12-31,301.28

Finding the Fourth Proportional to 52,522.40, 72,479.12 and 31,301.28

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Solution

The fourth proportional to 52,522.40, 72,479.12 and 31,301.28 is: 43,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.40 : 72,479.12 = 31,301.28 : x
  2. Step 2: Convert to fraction form
    52,522.40/72,479.12 = 31,301.28/x
  3. Step 3: Cross multiply
    52,522.40x = 72,479.12 × 31,301.28
  4. Step 4: Simplify right side
    52,522.40x = 2,268,689,229.27
  5. Step 5: Solve for x
    x = 2,268,689,229.27/52,522.40
  6. Step 6: Final answer
    x = 43,194.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.