Home / 40,377.45-55,720.47-22,227.60

Finding the Fourth Proportional to 40,377.45, 55,720.47 and 22,227.60

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Solution

The fourth proportional to 40,377.45, 55,720.47 and 22,227.60 is: 30,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.45 : 55,720.47 = 22,227.60 : x
  2. Step 2: Convert to fraction form
    40,377.45/55,720.47 = 22,227.60/x
  3. Step 3: Cross multiply
    40,377.45x = 55,720.47 × 22,227.60
  4. Step 4: Simplify right side
    40,377.45x = 1,238,532,318.97
  5. Step 5: Solve for x
    x = 1,238,532,318.97/40,377.45
  6. Step 6: Final answer
    x = 30,673.86

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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.