Home / 31,832.92-43,926.06-18,402.04

Finding the Fourth Proportional to 31,832.92, 43,926.06 and 18,402.04

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Solution

The fourth proportional to 31,832.92, 43,926.06 and 18,402.04 is: 25,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.92 : 43,926.06 = 18,402.04 : x
  2. Step 2: Convert to fraction form
    31,832.92/43,926.06 = 18,402.04/x
  3. Step 3: Cross multiply
    31,832.92x = 43,926.06 × 18,402.04
  4. Step 4: Simplify right side
    31,832.92x = 808,329,113.16
  5. Step 5: Solve for x
    x = 808,329,113.16/31,832.92
  6. Step 6: Final answer
    x = 25,392.87

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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.