Home / 31,458.43-43,414.51-18,030.55

Finding the Fourth Proportional to 31,458.43, 43,414.51 and 18,030.55

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Solution

The fourth proportional to 31,458.43, 43,414.51 and 18,030.55 is: 24,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.43 : 43,414.51 = 18,030.55 : x
  2. Step 2: Convert to fraction form
    31,458.43/43,414.51 = 18,030.55/x
  3. Step 3: Cross multiply
    31,458.43x = 43,414.51 × 18,030.55
  4. Step 4: Simplify right side
    31,458.43x = 782,787,565.93
  5. Step 5: Solve for x
    x = 782,787,565.93/31,458.43
  6. Step 6: Final answer
    x = 24,883.24

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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.