Home / 31,332.68-43,240.20-17,185.58

Finding the Fourth Proportional to 31,332.68, 43,240.20 and 17,185.58

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Solution

The fourth proportional to 31,332.68, 43,240.20 and 17,185.58 is: 23,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.68 : 43,240.20 = 17,185.58 : x
  2. Step 2: Convert to fraction form
    31,332.68/43,240.20 = 17,185.58/x
  3. Step 3: Cross multiply
    31,332.68x = 43,240.20 × 17,185.58
  4. Step 4: Simplify right side
    31,332.68x = 743,107,916.32
  5. Step 5: Solve for x
    x = 743,107,916.32/31,332.68
  6. Step 6: Final answer
    x = 23,716.70

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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.