Home / 43,179.36-64,781.76-18,229.92

Finding the Fourth Proportional to 43,179.36, 64,781.76 and 18,229.92

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Solution

The fourth proportional to 43,179.36, 64,781.76 and 18,229.92 is: 27,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,179.36 : 64,781.76 = 18,229.92 : x
  2. Step 2: Convert to fraction form
    43,179.36/64,781.76 = 18,229.92/x
  3. Step 3: Cross multiply
    43,179.36x = 64,781.76 × 18,229.92
  4. Step 4: Simplify right side
    43,179.36x = 1,180,966,302.26
  5. Step 5: Solve for x
    x = 1,180,966,302.26/43,179.36
  6. Step 6: Final answer
    x = 27,350.25

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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.