Home / 31,248.05-43,122.38-17,101.80

Finding the Fourth Proportional to 31,248.05, 43,122.38 and 17,101.80

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Solution

The fourth proportional to 31,248.05, 43,122.38 and 17,101.80 is: 23,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.05 : 43,122.38 = 17,101.80 : x
  2. Step 2: Convert to fraction form
    31,248.05/43,122.38 = 17,101.80/x
  3. Step 3: Cross multiply
    31,248.05x = 43,122.38 × 17,101.80
  4. Step 4: Simplify right side
    31,248.05x = 737,470,232.78
  5. Step 5: Solve for x
    x = 737,470,232.78/31,248.05
  6. Step 6: Final answer
    x = 23,600.52

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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.