Home / 45,862.10-68,793.15-30,115.70

Finding the Fourth Proportional to 45,862.10, 68,793.15 and 30,115.70

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Solution

The fourth proportional to 45,862.10, 68,793.15 and 30,115.70 is: 45,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.10 : 68,793.15 = 30,115.70 : x
  2. Step 2: Convert to fraction form
    45,862.10/68,793.15 = 30,115.70/x
  3. Step 3: Cross multiply
    45,862.10x = 68,793.15 × 30,115.70
  4. Step 4: Simplify right side
    45,862.10x = 2,071,753,867.46
  5. Step 5: Solve for x
    x = 2,071,753,867.46/45,862.10
  6. Step 6: Final answer
    x = 45,173.55

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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.