Home / 49,431.52-68,201.21-27,920.12

Finding the Fourth Proportional to 49,431.52, 68,201.21 and 27,920.12

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Solution

The fourth proportional to 49,431.52, 68,201.21 and 27,920.12 is: 38,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,431.52 : 68,201.21 = 27,920.12 : x
  2. Step 2: Convert to fraction form
    49,431.52/68,201.21 = 27,920.12/x
  3. Step 3: Cross multiply
    49,431.52x = 68,201.21 × 27,920.12
  4. Step 4: Simplify right side
    49,431.52x = 1,904,185,827.74
  5. Step 5: Solve for x
    x = 1,904,185,827.74/49,431.52
  6. Step 6: Final answer
    x = 38,521.70

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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.