Home / 49,239.12-67,948.40-27,729.92

Finding the Fourth Proportional to 49,239.12, 67,948.40 and 27,729.92

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Solution

The fourth proportional to 49,239.12, 67,948.40 and 27,729.92 is: 38,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.12 : 67,948.40 = 27,729.92 : x
  2. Step 2: Convert to fraction form
    49,239.12/67,948.40 = 27,729.92/x
  3. Step 3: Cross multiply
    49,239.12x = 67,948.40 × 27,729.92
  4. Step 4: Simplify right side
    49,239.12x = 1,884,203,696.13
  5. Step 5: Solve for x
    x = 1,884,203,696.13/49,239.12
  6. Step 6: Final answer
    x = 38,266.40

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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.