Home / 45,144.56-62,330.28-28,155.44

Finding the Fourth Proportional to 45,144.56, 62,330.28 and 28,155.44

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Solution

The fourth proportional to 45,144.56, 62,330.28 and 28,155.44 is: 38,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.56 : 62,330.28 = 28,155.44 : x
  2. Step 2: Convert to fraction form
    45,144.56/62,330.28 = 28,155.44/x
  3. Step 3: Cross multiply
    45,144.56x = 62,330.28 × 28,155.44
  4. Step 4: Simplify right side
    45,144.56x = 1,754,936,458.72
  5. Step 5: Solve for x
    x = 1,754,936,458.72/45,144.56
  6. Step 6: Final answer
    x = 38,873.71

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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.