Home / 31,824.38-43,925.54-18,403.43

Finding the Fourth Proportional to 31,824.38, 43,925.54 and 18,403.43

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Solution

The fourth proportional to 31,824.38, 43,925.54 and 18,403.43 is: 25,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.38 : 43,925.54 = 18,403.43 : x
  2. Step 2: Convert to fraction form
    31,824.38/43,925.54 = 18,403.43/x
  3. Step 3: Cross multiply
    31,824.38x = 43,925.54 × 18,403.43
  4. Step 4: Simplify right side
    31,824.38x = 808,380,288.96
  5. Step 5: Solve for x
    x = 808,380,288.96/31,824.38
  6. Step 6: Final answer
    x = 25,401.29

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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.