Home / 61,781.82-92,679.21-20,232.06

Finding the Fourth Proportional to 61,781.82, 92,679.21 and 20,232.06

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Solution

The fourth proportional to 61,781.82, 92,679.21 and 20,232.06 is: 30,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,781.82 : 92,679.21 = 20,232.06 : x
  2. Step 2: Convert to fraction form
    61,781.82/92,679.21 = 20,232.06/x
  3. Step 3: Cross multiply
    61,781.82x = 92,679.21 × 20,232.06
  4. Step 4: Simplify right side
    61,781.82x = 1,875,091,337.47
  5. Step 5: Solve for x
    x = 1,875,091,337.47/61,781.82
  6. Step 6: Final answer
    x = 30,350.21

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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.