Home / 42,213.88-63,319.62-17,246.86

Finding the Fourth Proportional to 42,213.88, 63,319.62 and 17,246.86

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Solution

The fourth proportional to 42,213.88, 63,319.62 and 17,246.86 is: 25,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.88 : 63,319.62 = 17,246.86 : x
  2. Step 2: Convert to fraction form
    42,213.88/63,319.62 = 17,246.86/x
  3. Step 3: Cross multiply
    42,213.88x = 63,319.62 × 17,246.86
  4. Step 4: Simplify right side
    42,213.88x = 1,092,064,621.39
  5. Step 5: Solve for x
    x = 1,092,064,621.39/42,213.88
  6. Step 6: Final answer
    x = 25,869.80

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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.