Home / 40,228.93-60,354.28-12,149.90

Finding the Fourth Proportional to 40,228.93, 60,354.28 and 12,149.90

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Solution

The fourth proportional to 40,228.93, 60,354.28 and 12,149.90 is: 18,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.93 : 60,354.28 = 12,149.90 : x
  2. Step 2: Convert to fraction form
    40,228.93/60,354.28 = 12,149.90/x
  3. Step 3: Cross multiply
    40,228.93x = 60,354.28 × 12,149.90
  4. Step 4: Simplify right side
    40,228.93x = 733,298,202.54
  5. Step 5: Solve for x
    x = 733,298,202.54/40,228.93
  6. Step 6: Final answer
    x = 18,228.13

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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.