Home / 45,426.30-68,139.45-29,679.90

Finding the Fourth Proportional to 45,426.30, 68,139.45 and 29,679.90

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Solution

The fourth proportional to 45,426.30, 68,139.45 and 29,679.90 is: 44,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.30 : 68,139.45 = 29,679.90 : x
  2. Step 2: Convert to fraction form
    45,426.30/68,139.45 = 29,679.90/x
  3. Step 3: Cross multiply
    45,426.30x = 68,139.45 × 29,679.90
  4. Step 4: Simplify right side
    45,426.30x = 2,022,372,062.06
  5. Step 5: Solve for x
    x = 2,022,372,062.06/45,426.30
  6. Step 6: Final answer
    x = 44,519.85

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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.