Home / 31,332.68-43,238.86-17,185.48

Finding the Fourth Proportional to 31,332.68, 43,238.86 and 17,185.48

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Solution

The fourth proportional to 31,332.68, 43,238.86 and 17,185.48 is: 23,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.68 : 43,238.86 = 17,185.48 : x
  2. Step 2: Convert to fraction form
    31,332.68/43,238.86 = 17,185.48/x
  3. Step 3: Cross multiply
    31,332.68x = 43,238.86 × 17,185.48
  4. Step 4: Simplify right side
    31,332.68x = 743,080,563.75
  5. Step 5: Solve for x
    x = 743,080,563.75/31,332.68
  6. Step 6: Final answer
    x = 23,715.83

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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.