Home / 31,335.08-43,247.94-18,595.29

Finding the Fourth Proportional to 31,335.08, 43,247.94 and 18,595.29

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Solution

The fourth proportional to 31,335.08, 43,247.94 and 18,595.29 is: 25,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.08 : 43,247.94 = 18,595.29 : x
  2. Step 2: Convert to fraction form
    31,335.08/43,247.94 = 18,595.29/x
  3. Step 3: Cross multiply
    31,335.08x = 43,247.94 × 18,595.29
  4. Step 4: Simplify right side
    31,335.08x = 804,207,986.20
  5. Step 5: Solve for x
    x = 804,207,986.20/31,335.08
  6. Step 6: Final answer
    x = 25,664.78

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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.