Home / 38,319.57-52,876.85-21,321.14

Finding the Fourth Proportional to 38,319.57, 52,876.85 and 21,321.14

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Solution

The fourth proportional to 38,319.57, 52,876.85 and 21,321.14 is: 29,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.57 : 52,876.85 = 21,321.14 : x
  2. Step 2: Convert to fraction form
    38,319.57/52,876.85 = 21,321.14/x
  3. Step 3: Cross multiply
    38,319.57x = 52,876.85 × 21,321.14
  4. Step 4: Simplify right side
    38,319.57x = 1,127,394,350.62
  5. Step 5: Solve for x
    x = 1,127,394,350.62/38,319.57
  6. Step 6: Final answer
    x = 29,420.85

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1.5x scale

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.