Home / 31,478.76-43,441.38-17,332.38

Finding the Fourth Proportional to 31,478.76, 43,441.38 and 17,332.38

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Solution

The fourth proportional to 31,478.76, 43,441.38 and 17,332.38 is: 23,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478.76 : 43,441.38 = 17,332.38 : x
  2. Step 2: Convert to fraction form
    31,478.76/43,441.38 = 17,332.38/x
  3. Step 3: Cross multiply
    31,478.76x = 43,441.38 × 17,332.38
  4. Step 4: Simplify right side
    31,478.76x = 752,942,505.88
  5. Step 5: Solve for x
    x = 752,942,505.88/31,478.76
  6. Step 6: Final answer
    x = 23,919.06

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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.