Home / 57,336.32-79,121.43-31,844.33

Finding the Fourth Proportional to 57,336.32, 79,121.43 and 31,844.33

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Solution

The fourth proportional to 57,336.32, 79,121.43 and 31,844.33 is: 43,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.32 : 79,121.43 = 31,844.33 : x
  2. Step 2: Convert to fraction form
    57,336.32/79,121.43 = 31,844.33/x
  3. Step 3: Cross multiply
    57,336.32x = 79,121.43 × 31,844.33
  4. Step 4: Simplify right side
    57,336.32x = 2,519,568,531.38
  5. Step 5: Solve for x
    x = 2,519,568,531.38/57,336.32
  6. Step 6: Final answer
    x = 43,943.68

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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.