Home / 63,781.13-88,021.41-35,487.43

Finding the Fourth Proportional to 63,781.13, 88,021.41 and 35,487.43

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Solution

The fourth proportional to 63,781.13, 88,021.41 and 35,487.43 is: 48,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.13 : 88,021.41 = 35,487.43 : x
  2. Step 2: Convert to fraction form
    63,781.13/88,021.41 = 35,487.43/x
  3. Step 3: Cross multiply
    63,781.13x = 88,021.41 × 35,487.43
  4. Step 4: Simplify right side
    63,781.13x = 3,123,653,625.88
  5. Step 5: Solve for x
    x = 3,123,653,625.88/63,781.13
  6. Step 6: Final answer
    x = 48,974.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.