Home / 42,124.56-63,169.47-17,147.70

Finding the Fourth Proportional to 42,124.56, 63,169.47 and 17,147.70

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Solution

The fourth proportional to 42,124.56, 63,169.47 and 17,147.70 is: 25,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.56 : 63,169.47 = 17,147.70 : x
  2. Step 2: Convert to fraction form
    42,124.56/63,169.47 = 17,147.70/x
  3. Step 3: Cross multiply
    42,124.56x = 63,169.47 × 17,147.70
  4. Step 4: Simplify right side
    42,124.56x = 1,083,211,120.72
  5. Step 5: Solve for x
    x = 1,083,211,120.72/42,124.56
  6. Step 6: Final answer
    x = 25,714.48

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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.