Home / 45,451.89-68,177.88-21,753.87

Finding the Fourth Proportional to 45,451.89, 68,177.88 and 21,753.87

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Solution

The fourth proportional to 45,451.89, 68,177.88 and 21,753.87 is: 32,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.89 : 68,177.88 = 21,753.87 : x
  2. Step 2: Convert to fraction form
    45,451.89/68,177.88 = 21,753.87/x
  3. Step 3: Cross multiply
    45,451.89x = 68,177.88 × 21,753.87
  4. Step 4: Simplify right side
    45,451.89x = 1,483,132,738.40
  5. Step 5: Solve for x
    x = 1,483,132,738.40/45,451.89
  6. Step 6: Final answer
    x = 32,630.83

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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.