Home / 31,399.14-43,330.33-17,251.68

Finding the Fourth Proportional to 31,399.14, 43,330.33 and 17,251.68

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Solution

The fourth proportional to 31,399.14, 43,330.33 and 17,251.68 is: 23,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.14 : 43,330.33 = 17,251.68 : x
  2. Step 2: Convert to fraction form
    31,399.14/43,330.33 = 17,251.68/x
  3. Step 3: Cross multiply
    31,399.14x = 43,330.33 × 17,251.68
  4. Step 4: Simplify right side
    31,399.14x = 747,520,901.20
  5. Step 5: Solve for x
    x = 747,520,901.20/31,399.14
  6. Step 6: Final answer
    x = 23,807.05

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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.