Home / 31,656.38-43,687.17-17,509.23

Finding the Fourth Proportional to 31,656.38, 43,687.17 and 17,509.23

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Solution

The fourth proportional to 31,656.38, 43,687.17 and 17,509.23 is: 24,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.38 : 43,687.17 = 17,509.23 : x
  2. Step 2: Convert to fraction form
    31,656.38/43,687.17 = 17,509.23/x
  3. Step 3: Cross multiply
    31,656.38x = 43,687.17 × 17,509.23
  4. Step 4: Simplify right side
    31,656.38x = 764,928,707.58
  5. Step 5: Solve for x
    x = 764,928,707.58/31,656.38
  6. Step 6: Final answer
    x = 24,163.50

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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.