Home / 42,589.22-63,891.54-17,615.70

Finding the Fourth Proportional to 42,589.22, 63,891.54 and 17,615.70

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Solution

The fourth proportional to 42,589.22, 63,891.54 and 17,615.70 is: 26,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,589.22 : 63,891.54 = 17,615.70 : x
  2. Step 2: Convert to fraction form
    42,589.22/63,891.54 = 17,615.70/x
  3. Step 3: Cross multiply
    42,589.22x = 63,891.54 × 17,615.70
  4. Step 4: Simplify right side
    42,589.22x = 1,125,494,201.18
  5. Step 5: Solve for x
    x = 1,125,494,201.18/42,589.22
  6. Step 6: Final answer
    x = 26,426.74

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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.