Home / 40,129.16-60,175.04-17,942.72

Finding the Fourth Proportional to 40,129.16, 60,175.04 and 17,942.72

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Solution

The fourth proportional to 40,129.16, 60,175.04 and 17,942.72 is: 26,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.16 : 60,175.04 = 17,942.72 : x
  2. Step 2: Convert to fraction form
    40,129.16/60,175.04 = 17,942.72/x
  3. Step 3: Cross multiply
    40,129.16x = 60,175.04 × 17,942.72
  4. Step 4: Simplify right side
    40,129.16x = 1,079,703,503.12
  5. Step 5: Solve for x
    x = 1,079,703,503.12/40,129.16
  6. Step 6: Final answer
    x = 26,905.71

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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.