Home / 50,904.71-76,279.13-21,306.43

Finding the Fourth Proportional to 50,904.71, 76,279.13 and 21,306.43

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Solution

The fourth proportional to 50,904.71, 76,279.13 and 21,306.43 is: 31,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,904.71 : 76,279.13 = 21,306.43 : x
  2. Step 2: Convert to fraction form
    50,904.71/76,279.13 = 21,306.43/x
  3. Step 3: Cross multiply
    50,904.71x = 76,279.13 × 21,306.43
  4. Step 4: Simplify right side
    50,904.71x = 1,625,235,943.81
  5. Step 5: Solve for x
    x = 1,625,235,943.81/50,904.71
  6. Step 6: Final answer
    x = 31,927.02

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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.