Home / 40,172.57-60,261.84-13,518.62

Finding the Fourth Proportional to 40,172.57, 60,261.84 and 13,518.62

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Solution

The fourth proportional to 40,172.57, 60,261.84 and 13,518.62 is: 20,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.57 : 60,261.84 = 13,518.62 : x
  2. Step 2: Convert to fraction form
    40,172.57/60,261.84 = 13,518.62/x
  3. Step 3: Cross multiply
    40,172.57x = 60,261.84 × 13,518.62
  4. Step 4: Simplify right side
    40,172.57x = 814,656,614.15
  5. Step 5: Solve for x
    x = 814,656,614.15/40,172.57
  6. Step 6: Final answer
    x = 20,278.93

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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.