Home / 38,251.77-52,786.39-21,255.58

Finding the Fourth Proportional to 38,251.77, 52,786.39 and 21,255.58

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Solution

The fourth proportional to 38,251.77, 52,786.39 and 21,255.58 is: 29,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.77 : 52,786.39 = 21,255.58 : x
  2. Step 2: Convert to fraction form
    38,251.77/52,786.39 = 21,255.58/x
  3. Step 3: Cross multiply
    38,251.77x = 52,786.39 × 21,255.58
  4. Step 4: Simplify right side
    38,251.77x = 1,122,005,230.16
  5. Step 5: Solve for x
    x = 1,122,005,230.16/38,251.77
  6. Step 6: Final answer
    x = 29,332.11

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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.