Home / 40,377.60-60,539.04-20,617.92

Finding the Fourth Proportional to 40,377.60, 60,539.04 and 20,617.92

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Solution

The fourth proportional to 40,377.60, 60,539.04 and 20,617.92 is: 30,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.60 : 60,539.04 = 20,617.92 : x
  2. Step 2: Convert to fraction form
    40,377.60/60,539.04 = 20,617.92/x
  3. Step 3: Cross multiply
    40,377.60x = 60,539.04 × 20,617.92
  4. Step 4: Simplify right side
    40,377.60x = 1,248,189,083.60
  5. Step 5: Solve for x
    x = 1,248,189,083.60/40,377.60
  6. Step 6: Final answer
    x = 30,912.91

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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.