Home / 31,190.57-43,043.28-17,043.71

Finding the Fourth Proportional to 31,190.57, 43,043.28 and 17,043.71

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Solution

The fourth proportional to 31,190.57, 43,043.28 and 17,043.71 is: 23,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.57 : 43,043.28 = 17,043.71 : x
  2. Step 2: Convert to fraction form
    31,190.57/43,043.28 = 17,043.71/x
  3. Step 3: Cross multiply
    31,190.57x = 43,043.28 × 17,043.71
  4. Step 4: Simplify right side
    31,190.57x = 733,617,181.77
  5. Step 5: Solve for x
    x = 733,617,181.77/31,190.57
  6. Step 6: Final answer
    x = 23,520.48

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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.