Home / 53,229.28-79,821.60-18,171.04

Finding the Fourth Proportional to 53,229.28, 79,821.60 and 18,171.04

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Solution

The fourth proportional to 53,229.28, 79,821.60 and 18,171.04 is: 27,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.28 : 79,821.60 = 18,171.04 : x
  2. Step 2: Convert to fraction form
    53,229.28/79,821.60 = 18,171.04/x
  3. Step 3: Cross multiply
    53,229.28x = 79,821.60 × 18,171.04
  4. Step 4: Simplify right side
    53,229.28x = 1,450,441,486.46
  5. Step 5: Solve for x
    x = 1,450,441,486.46/53,229.28
  6. Step 6: Final answer
    x = 27,248.94

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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.