Home / 50,905.22-76,279.88-21,306.93

Finding the Fourth Proportional to 50,905.22, 76,279.88 and 21,306.93

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Solution

The fourth proportional to 50,905.22, 76,279.88 and 21,306.93 is: 31,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.22 : 76,279.88 = 21,306.93 : x
  2. Step 2: Convert to fraction form
    50,905.22/76,279.88 = 21,306.93/x
  3. Step 3: Cross multiply
    50,905.22x = 76,279.88 × 21,306.93
  4. Step 4: Simplify right side
    50,905.22x = 1,625,289,957.03
  5. Step 5: Solve for x
    x = 1,625,289,957.03/50,905.22
  6. Step 6: Final answer
    x = 31,927.77

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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.