Home / 40,856.16-61,253.87-17,170.66

Finding the Fourth Proportional to 40,856.16, 61,253.87 and 17,170.66

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Solution

The fourth proportional to 40,856.16, 61,253.87 and 17,170.66 is: 25,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.16 : 61,253.87 = 17,170.66 : x
  2. Step 2: Convert to fraction form
    40,856.16/61,253.87 = 17,170.66/x
  3. Step 3: Cross multiply
    40,856.16x = 61,253.87 × 17,170.66
  4. Step 4: Simplify right side
    40,856.16x = 1,051,769,136.47
  5. Step 5: Solve for x
    x = 1,051,769,136.47/40,856.16
  6. Step 6: Final answer
    x = 25,743.22

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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.