Home / 49,398.78-68,170.86-28,179.30

Finding the Fourth Proportional to 49,398.78, 68,170.86 and 28,179.30

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Solution

The fourth proportional to 49,398.78, 68,170.86 and 28,179.30 is: 38,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.78 : 68,170.86 = 28,179.30 : x
  2. Step 2: Convert to fraction form
    49,398.78/68,170.86 = 28,179.30/x
  3. Step 3: Cross multiply
    49,398.78x = 68,170.86 × 28,179.30
  4. Step 4: Simplify right side
    49,398.78x = 1,921,007,115.20
  5. Step 5: Solve for x
    x = 1,921,007,115.20/49,398.78
  6. Step 6: Final answer
    x = 38,887.74

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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.