Home / 45,432.12-68,177.35-22,045.80

Finding the Fourth Proportional to 45,432.12, 68,177.35 and 22,045.80

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Solution

The fourth proportional to 45,432.12, 68,177.35 and 22,045.80 is: 33,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.12 : 68,177.35 = 22,045.80 : x
  2. Step 2: Convert to fraction form
    45,432.12/68,177.35 = 22,045.80/x
  3. Step 3: Cross multiply
    45,432.12x = 68,177.35 × 22,045.80
  4. Step 4: Simplify right side
    45,432.12x = 1,503,024,381.84
  5. Step 5: Solve for x
    x = 1,503,024,381.84/45,432.12
  6. Step 6: Final answer
    x = 33,082.86

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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.