Home / 49,330.60-74,020.20-28,286.80

Finding the Fourth Proportional to 49,330.60, 74,020.20 and 28,286.80

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Solution

The fourth proportional to 49,330.60, 74,020.20 and 28,286.80 is: 42,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,330.60 : 74,020.20 = 28,286.80 : x
  2. Step 2: Convert to fraction form
    49,330.60/74,020.20 = 28,286.80/x
  3. Step 3: Cross multiply
    49,330.60x = 74,020.20 × 28,286.80
  4. Step 4: Simplify right side
    49,330.60x = 2,093,794,593.36
  5. Step 5: Solve for x
    x = 2,093,794,593.36/49,330.60
  6. Step 6: Final answer
    x = 42,444.13

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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.