Home / 45,419.16-68,129.07-17,331.65

Finding the Fourth Proportional to 45,419.16, 68,129.07 and 17,331.65

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Solution

The fourth proportional to 45,419.16, 68,129.07 and 17,331.65 is: 25,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.16 : 68,129.07 = 17,331.65 : x
  2. Step 2: Convert to fraction form
    45,419.16/68,129.07 = 17,331.65/x
  3. Step 3: Cross multiply
    45,419.16x = 68,129.07 × 17,331.65
  4. Step 4: Simplify right side
    45,419.16x = 1,180,789,045.91
  5. Step 5: Solve for x
    x = 1,180,789,045.91/45,419.16
  6. Step 6: Final answer
    x = 25,997.60

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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.