Home / 49,149.10-67,825.78-27,928.40

Finding the Fourth Proportional to 49,149.10, 67,825.78 and 27,928.40

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Solution

The fourth proportional to 49,149.10, 67,825.78 and 27,928.40 is: 38,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149.10 : 67,825.78 = 27,928.40 : x
  2. Step 2: Convert to fraction form
    49,149.10/67,825.78 = 27,928.40/x
  3. Step 3: Cross multiply
    49,149.10x = 67,825.78 × 27,928.40
  4. Step 4: Simplify right side
    49,149.10x = 1,894,265,514.15
  5. Step 5: Solve for x
    x = 1,894,265,514.15/49,149.10
  6. Step 6: Final answer
    x = 38,541.20

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Similar ratio
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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.