Home / 31,655.68-43,684.42-17,508.20

Finding the Fourth Proportional to 31,655.68, 43,684.42 and 17,508.20

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Solution

The fourth proportional to 31,655.68, 43,684.42 and 17,508.20 is: 24,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.68 : 43,684.42 = 17,508.20 : x
  2. Step 2: Convert to fraction form
    31,655.68/43,684.42 = 17,508.20/x
  3. Step 3: Cross multiply
    31,655.68x = 43,684.42 × 17,508.20
  4. Step 4: Simplify right side
    31,655.68x = 764,835,562.24
  5. Step 5: Solve for x
    x = 764,835,562.24/31,655.68
  6. Step 6: Final answer
    x = 24,161.08

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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.