Home / 30,207.11-41,700.96-18,882.90

Finding the Fourth Proportional to 30,207.11, 41,700.96 and 18,882.90

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Solution

The fourth proportional to 30,207.11, 41,700.96 and 18,882.90 is: 26,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.11 : 41,700.96 = 18,882.90 : x
  2. Step 2: Convert to fraction form
    30,207.11/41,700.96 = 18,882.90/x
  3. Step 3: Cross multiply
    30,207.11x = 41,700.96 × 18,882.90
  4. Step 4: Simplify right side
    30,207.11x = 787,434,963.17
  5. Step 5: Solve for x
    x = 787,434,963.17/30,207.11
  6. Step 6: Final answer
    x = 26,067.87

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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.