Home / 40,454.66-60,680.10-14,165.30

Finding the Fourth Proportional to 40,454.66, 60,680.10 and 14,165.30

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Solution

The fourth proportional to 40,454.66, 60,680.10 and 14,165.30 is: 21,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.66 : 60,680.10 = 14,165.30 : x
  2. Step 2: Convert to fraction form
    40,454.66/60,680.10 = 14,165.30/x
  3. Step 3: Cross multiply
    40,454.66x = 60,680.10 × 14,165.30
  4. Step 4: Simplify right side
    40,454.66x = 859,551,820.53
  5. Step 5: Solve for x
    x = 859,551,820.53/40,454.66
  6. Step 6: Final answer
    x = 21,247.29

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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.