Home / 38,250.97-52,786.23-21,255.14

Finding the Fourth Proportional to 38,250.97, 52,786.23 and 21,255.14

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Solution

The fourth proportional to 38,250.97, 52,786.23 and 21,255.14 is: 29,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.97 : 52,786.23 = 21,255.14 : x
  2. Step 2: Convert to fraction form
    38,250.97/52,786.23 = 21,255.14/x
  3. Step 3: Cross multiply
    38,250.97x = 52,786.23 × 21,255.14
  4. Step 4: Simplify right side
    38,250.97x = 1,121,978,708.72
  5. Step 5: Solve for x
    x = 1,121,978,708.72/38,250.97
  6. Step 6: Final answer
    x = 29,332.04

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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.