Home / 42,255.10-63,382.47-17,306.74

Finding the Fourth Proportional to 42,255.10, 63,382.47 and 17,306.74

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Solution

The fourth proportional to 42,255.10, 63,382.47 and 17,306.74 is: 25,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.10 : 63,382.47 = 17,306.74 : x
  2. Step 2: Convert to fraction form
    42,255.10/63,382.47 = 17,306.74/x
  3. Step 3: Cross multiply
    42,255.10x = 63,382.47 × 17,306.74
  4. Step 4: Simplify right side
    42,255.10x = 1,096,943,928.85
  5. Step 5: Solve for x
    x = 1,096,943,928.85/42,255.10
  6. Step 6: Final answer
    x = 25,960.04

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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.