Home / 29,321.28-43,988.16-8,543.04

Finding the Fourth Proportional to 29,321.28, 43,988.16 and 8,543.04

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Solution

The fourth proportional to 29,321.28, 43,988.16 and 8,543.04 is: 12,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.28 : 43,988.16 = 8,543.04 : x
  2. Step 2: Convert to fraction form
    29,321.28/43,988.16 = 8,543.04/x
  3. Step 3: Cross multiply
    29,321.28x = 43,988.16 × 8,543.04
  4. Step 4: Simplify right side
    29,321.28x = 375,792,610.41
  5. Step 5: Solve for x
    x = 375,792,610.41/29,321.28
  6. Step 6: Final answer
    x = 12,816.38

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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.