Home / 38,839.53-58,285.23-21,321.66

Finding the Fourth Proportional to 38,839.53, 58,285.23 and 21,321.66

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Solution

The fourth proportional to 38,839.53, 58,285.23 and 21,321.66 is: 31,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.53 : 58,285.23 = 21,321.66 : x
  2. Step 2: Convert to fraction form
    38,839.53/58,285.23 = 21,321.66/x
  3. Step 3: Cross multiply
    38,839.53x = 58,285.23 × 21,321.66
  4. Step 4: Simplify right side
    38,839.53x = 1,242,737,857.08
  5. Step 5: Solve for x
    x = 1,242,737,857.08/38,839.53
  6. Step 6: Final answer
    x = 31,996.73

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1.5x scale

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.