Home / 31,433.24-43,380.38-18,008.90

Finding the Fourth Proportional to 31,433.24, 43,380.38 and 18,008.90

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Solution

The fourth proportional to 31,433.24, 43,380.38 and 18,008.90 is: 24,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.24 : 43,380.38 = 18,008.90 : x
  2. Step 2: Convert to fraction form
    31,433.24/43,380.38 = 18,008.90/x
  3. Step 3: Cross multiply
    31,433.24x = 43,380.38 × 18,008.90
  4. Step 4: Simplify right side
    31,433.24x = 781,232,925.38
  5. Step 5: Solve for x
    x = 781,232,925.38/31,433.24
  6. Step 6: Final answer
    x = 24,853.72

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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.