Home / 31,695.38-43,744.20-18,264.06

Finding the Fourth Proportional to 31,695.38, 43,744.20 and 18,264.06

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Solution

The fourth proportional to 31,695.38, 43,744.20 and 18,264.06 is: 25,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.38 : 43,744.20 = 18,264.06 : x
  2. Step 2: Convert to fraction form
    31,695.38/43,744.20 = 18,264.06/x
  3. Step 3: Cross multiply
    31,695.38x = 43,744.20 × 18,264.06
  4. Step 4: Simplify right side
    31,695.38x = 798,946,693.45
  5. Step 5: Solve for x
    x = 798,946,693.45/31,695.38
  6. Step 6: Final answer
    x = 25,207.04

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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.