Home / 55,841.90-83,723.97-20,772.14

Finding the Fourth Proportional to 55,841.90, 83,723.97 and 20,772.14

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Solution

The fourth proportional to 55,841.90, 83,723.97 and 20,772.14 is: 31,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,841.90 : 83,723.97 = 20,772.14 : x
  2. Step 2: Convert to fraction form
    55,841.90/83,723.97 = 20,772.14/x
  3. Step 3: Cross multiply
    55,841.90x = 83,723.97 × 20,772.14
  4. Step 4: Simplify right side
    55,841.90x = 1,739,126,026.20
  5. Step 5: Solve for x
    x = 1,739,126,026.20/55,841.90
  6. Step 6: Final answer
    x = 31,143.75

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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.