Home / 31,191.87-43,044.71-17,763.12

Finding the Fourth Proportional to 31,191.87, 43,044.71 and 17,763.12

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Solution

The fourth proportional to 31,191.87, 43,044.71 and 17,763.12 is: 24,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.87 : 43,044.71 = 17,763.12 : x
  2. Step 2: Convert to fraction form
    31,191.87/43,044.71 = 17,763.12/x
  3. Step 3: Cross multiply
    31,191.87x = 43,044.71 × 17,763.12
  4. Step 4: Simplify right side
    31,191.87x = 764,608,349.10
  5. Step 5: Solve for x
    x = 764,608,349.10/31,191.87
  6. Step 6: Final answer
    x = 24,513.07

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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.