Home / 40,380.12-60,577.10-13,723.29

Finding the Fourth Proportional to 40,380.12, 60,577.10 and 13,723.29

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Solution

The fourth proportional to 40,380.12, 60,577.10 and 13,723.29 is: 20,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.12 : 60,577.10 = 13,723.29 : x
  2. Step 2: Convert to fraction form
    40,380.12/60,577.10 = 13,723.29/x
  3. Step 3: Cross multiply
    40,380.12x = 60,577.10 × 13,723.29
  4. Step 4: Simplify right side
    40,380.12x = 831,317,110.66
  5. Step 5: Solve for x
    x = 831,317,110.66/40,380.12
  6. Step 6: Final answer
    x = 20,587.29

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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.