Home / 31,793.22-43,876.74-18,365.04

Finding the Fourth Proportional to 31,793.22, 43,876.74 and 18,365.04

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Solution

The fourth proportional to 31,793.22, 43,876.74 and 18,365.04 is: 25,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.22 : 43,876.74 = 18,365.04 : x
  2. Step 2: Convert to fraction form
    31,793.22/43,876.74 = 18,365.04/x
  3. Step 3: Cross multiply
    31,793.22x = 43,876.74 × 18,365.04
  4. Step 4: Simplify right side
    31,793.22x = 805,798,085.17
  5. Step 5: Solve for x
    x = 805,798,085.17/31,793.22
  6. Step 6: Final answer
    x = 25,344.97

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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.