Home / 40,103.64-55,335.18-25,191

Finding the Fourth Proportional to 40,103.64, 55,335.18 and 25,191

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Solution

The fourth proportional to 40,103.64, 55,335.18 and 25,191 is: 34,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.64 : 55,335.18 = 25,191 : x
  2. Step 2: Convert to fraction form
    40,103.64/55,335.18 = 25,191/x
  3. Step 3: Cross multiply
    40,103.64x = 55,335.18 × 25,191
  4. Step 4: Simplify right side
    40,103.64x = 1,393,948,519.38
  5. Step 5: Solve for x
    x = 1,393,948,519.38/40,103.64
  6. Step 6: Final answer
    x = 34,758.65

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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.