Home / 40,812.86-61,242.92-17,118.30

Finding the Fourth Proportional to 40,812.86, 61,242.92 and 17,118.30

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Solution

The fourth proportional to 40,812.86, 61,242.92 and 17,118.30 is: 25,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.86 : 61,242.92 = 17,118.30 : x
  2. Step 2: Convert to fraction form
    40,812.86/61,242.92 = 17,118.30/x
  3. Step 3: Cross multiply
    40,812.86x = 61,242.92 × 17,118.30
  4. Step 4: Simplify right side
    40,812.86x = 1,048,374,441.18
  5. Step 5: Solve for x
    x = 1,048,374,441.18/40,812.86
  6. Step 6: Final answer
    x = 25,687.36

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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.