Home / 49,079.11-67,729.49-27,858.73

Finding the Fourth Proportional to 49,079.11, 67,729.49 and 27,858.73

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Solution

The fourth proportional to 49,079.11, 67,729.49 and 27,858.73 is: 38,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.11 : 67,729.49 = 27,858.73 : x
  2. Step 2: Convert to fraction form
    49,079.11/67,729.49 = 27,858.73/x
  3. Step 3: Cross multiply
    49,079.11x = 67,729.49 × 27,858.73
  4. Step 4: Simplify right side
    49,079.11x = 1,886,857,574.95
  5. Step 5: Solve for x
    x = 1,886,857,574.95/49,079.11
  6. Step 6: Final answer
    x = 38,445.23

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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.