Home / 31,176.04-43,009.22-18,593.50

Finding the Fourth Proportional to 31,176.04, 43,009.22 and 18,593.50

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Solution

The fourth proportional to 31,176.04, 43,009.22 and 18,593.50 is: 25,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.04 : 43,009.22 = 18,593.50 : x
  2. Step 2: Convert to fraction form
    31,176.04/43,009.22 = 18,593.50/x
  3. Step 3: Cross multiply
    31,176.04x = 43,009.22 × 18,593.50
  4. Step 4: Simplify right side
    31,176.04x = 799,691,932.07
  5. Step 5: Solve for x
    x = 799,691,932.07/31,176.04
  6. Step 6: Final answer
    x = 25,650.85

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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.