Home / 31,313.20-43,207.68-17,882.32

Finding the Fourth Proportional to 31,313.20, 43,207.68 and 17,882.32

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Solution

The fourth proportional to 31,313.20, 43,207.68 and 17,882.32 is: 24,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.20 : 43,207.68 = 17,882.32 : x
  2. Step 2: Convert to fraction form
    31,313.20/43,207.68 = 17,882.32/x
  3. Step 3: Cross multiply
    31,313.20x = 43,207.68 × 17,882.32
  4. Step 4: Simplify right side
    31,313.20x = 772,653,560.22
  5. Step 5: Solve for x
    x = 772,653,560.22/31,313.20
  6. Step 6: Final answer
    x = 24,675.01

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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.