Home / 55,160.68-76,121.82-30,010.18

Finding the Fourth Proportional to 55,160.68, 76,121.82 and 30,010.18

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Solution

The fourth proportional to 55,160.68, 76,121.82 and 30,010.18 is: 41,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.68 : 76,121.82 = 30,010.18 : x
  2. Step 2: Convert to fraction form
    55,160.68/76,121.82 = 30,010.18/x
  3. Step 3: Cross multiply
    55,160.68x = 76,121.82 × 30,010.18
  4. Step 4: Simplify right side
    55,160.68x = 2,284,429,520.13
  5. Step 5: Solve for x
    x = 2,284,429,520.13/55,160.68
  6. Step 6: Final answer
    x = 41,414.09

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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.