Home / 31,552.03-43,453.22-30,863.13

Finding the Fourth Proportional to 31,552.03, 43,453.22 and 30,863.13

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Solution

The fourth proportional to 31,552.03, 43,453.22 and 30,863.13 is: 42,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.03 : 43,453.22 = 30,863.13 : x
  2. Step 2: Convert to fraction form
    31,552.03/43,453.22 = 30,863.13/x
  3. Step 3: Cross multiply
    31,552.03x = 43,453.22 × 30,863.13
  4. Step 4: Simplify right side
    31,552.03x = 1,341,102,377.78
  5. Step 5: Solve for x
    x = 1,341,102,377.78/31,552.03
  6. Step 6: Final answer
    x = 42,504.47

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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.