Home / 40,438.16-60,691.32-17,081.36

Finding the Fourth Proportional to 40,438.16, 60,691.32 and 17,081.36

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Solution

The fourth proportional to 40,438.16, 60,691.32 and 17,081.36 is: 25,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.16 : 60,691.32 = 17,081.36 : x
  2. Step 2: Convert to fraction form
    40,438.16/60,691.32 = 17,081.36/x
  3. Step 3: Cross multiply
    40,438.16x = 60,691.32 × 17,081.36
  4. Step 4: Simplify right side
    40,438.16x = 1,036,690,285.80
  5. Step 5: Solve for x
    x = 1,036,690,285.80/40,438.16
  6. Step 6: Final answer
    x = 25,636.44

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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.