Home / 55,781.82-83,674.50-20,250.36

Finding the Fourth Proportional to 55,781.82, 83,674.50 and 20,250.36

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Solution

The fourth proportional to 55,781.82, 83,674.50 and 20,250.36 is: 30,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781.82 : 83,674.50 = 20,250.36 : x
  2. Step 2: Convert to fraction form
    55,781.82/83,674.50 = 20,250.36/x
  3. Step 3: Cross multiply
    55,781.82x = 83,674.50 × 20,250.36
  4. Step 4: Simplify right side
    55,781.82x = 1,694,438,747.82
  5. Step 5: Solve for x
    x = 1,694,438,747.82/55,781.82
  6. Step 6: Final answer
    x = 30,376.18

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1.5x scale

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.