Home / 39,753.77-54,861.52-21,849.41

Finding the Fourth Proportional to 39,753.77, 54,861.52 and 21,849.41

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Solution

The fourth proportional to 39,753.77, 54,861.52 and 21,849.41 is: 30,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.77 : 54,861.52 = 21,849.41 : x
  2. Step 2: Convert to fraction form
    39,753.77/54,861.52 = 21,849.41/x
  3. Step 3: Cross multiply
    39,753.77x = 54,861.52 × 21,849.41
  4. Step 4: Simplify right side
    39,753.77x = 1,198,691,843.70
  5. Step 5: Solve for x
    x = 1,198,691,843.70/39,753.77
  6. Step 6: Final answer
    x = 30,152.91

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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.