Home / 32,078.15-48,121.04-13,370.86

Finding the Fourth Proportional to 32,078.15, 48,121.04 and 13,370.86

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Solution

The fourth proportional to 32,078.15, 48,121.04 and 13,370.86 is: 20,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,078.15 : 48,121.04 = 13,370.86 : x
  2. Step 2: Convert to fraction form
    32,078.15/48,121.04 = 13,370.86/x
  3. Step 3: Cross multiply
    32,078.15x = 48,121.04 × 13,370.86
  4. Step 4: Simplify right side
    32,078.15x = 643,419,688.89
  5. Step 5: Solve for x
    x = 643,419,688.89/32,078.15
  6. Step 6: Final answer
    x = 20,057.88

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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.