Home / 49,086.09-67,739.76-27,865.35

Finding the Fourth Proportional to 49,086.09, 67,739.76 and 27,865.35

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Solution

The fourth proportional to 49,086.09, 67,739.76 and 27,865.35 is: 38,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,086.09 : 67,739.76 = 27,865.35 : x
  2. Step 2: Convert to fraction form
    49,086.09/67,739.76 = 27,865.35/x
  3. Step 3: Cross multiply
    49,086.09x = 67,739.76 × 27,865.35
  4. Step 4: Simplify right side
    49,086.09x = 1,887,592,121.32
  5. Step 5: Solve for x
    x = 1,887,592,121.32/49,086.09
  6. Step 6: Final answer
    x = 38,454.73

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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.