Home / 31,249.20-43,123.32-17,101.76

Finding the Fourth Proportional to 31,249.20, 43,123.32 and 17,101.76

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Solution

The fourth proportional to 31,249.20, 43,123.32 and 17,101.76 is: 23,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.20 : 43,123.32 = 17,101.76 : x
  2. Step 2: Convert to fraction form
    31,249.20/43,123.32 = 17,101.76/x
  3. Step 3: Cross multiply
    31,249.20x = 43,123.32 × 17,101.76
  4. Step 4: Simplify right side
    31,249.20x = 737,484,669.04
  5. Step 5: Solve for x
    x = 737,484,669.04/31,249.20
  6. Step 6: Final answer
    x = 23,600.11

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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.