Home / 31,278.73-43,164.21-17,854.24

Finding the Fourth Proportional to 31,278.73, 43,164.21 and 17,854.24

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Solution

The fourth proportional to 31,278.73, 43,164.21 and 17,854.24 is: 24,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.73 : 43,164.21 = 17,854.24 : x
  2. Step 2: Convert to fraction form
    31,278.73/43,164.21 = 17,854.24/x
  3. Step 3: Cross multiply
    31,278.73x = 43,164.21 × 17,854.24
  4. Step 4: Simplify right side
    31,278.73x = 770,664,164.75
  5. Step 5: Solve for x
    x = 770,664,164.75/31,278.73
  6. Step 6: Final answer
    x = 24,638.60

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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.