Home / 42,125.20-63,209.76-17,183.68

Finding the Fourth Proportional to 42,125.20, 63,209.76 and 17,183.68

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Solution

The fourth proportional to 42,125.20, 63,209.76 and 17,183.68 is: 25,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.20 : 63,209.76 = 17,183.68 : x
  2. Step 2: Convert to fraction form
    42,125.20/63,209.76 = 17,183.68/x
  3. Step 3: Cross multiply
    42,125.20x = 63,209.76 × 17,183.68
  4. Step 4: Simplify right side
    42,125.20x = 1,086,176,288.72
  5. Step 5: Solve for x
    x = 1,086,176,288.72/42,125.20
  6. Step 6: Final answer
    x = 25,784.48

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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.