Home / 31,452.96-43,406.12-18,026.79

Finding the Fourth Proportional to 31,452.96, 43,406.12 and 18,026.79

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Solution

The fourth proportional to 31,452.96, 43,406.12 and 18,026.79 is: 24,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.96 : 43,406.12 = 18,026.79 : x
  2. Step 2: Convert to fraction form
    31,452.96/43,406.12 = 18,026.79/x
  3. Step 3: Cross multiply
    31,452.96x = 43,406.12 × 18,026.79
  4. Step 4: Simplify right side
    31,452.96x = 782,472,792.92
  5. Step 5: Solve for x
    x = 782,472,792.92/31,452.96
  6. Step 6: Final answer
    x = 24,877.56

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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.