Home / 45,385.52-62,679.84-40,438.04

Finding the Fourth Proportional to 45,385.52, 62,679.84 and 40,438.04

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Solution

The fourth proportional to 45,385.52, 62,679.84 and 40,438.04 is: 55,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.52 : 62,679.84 = 40,438.04 : x
  2. Step 2: Convert to fraction form
    45,385.52/62,679.84 = 40,438.04/x
  3. Step 3: Cross multiply
    45,385.52x = 62,679.84 × 40,438.04
  4. Step 4: Simplify right side
    45,385.52x = 2,534,649,877.11
  5. Step 5: Solve for x
    x = 2,534,649,877.11/45,385.52
  6. Step 6: Final answer
    x = 55,847.10

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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.