Home / 38,236.71-52,765.91-21,240.18

Finding the Fourth Proportional to 38,236.71, 52,765.91 and 21,240.18

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Solution

The fourth proportional to 38,236.71, 52,765.91 and 21,240.18 is: 29,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,236.71 : 52,765.91 = 21,240.18 : x
  2. Step 2: Convert to fraction form
    38,236.71/52,765.91 = 21,240.18/x
  3. Step 3: Cross multiply
    38,236.71x = 52,765.91 × 21,240.18
  4. Step 4: Simplify right side
    38,236.71x = 1,120,757,320.06
  5. Step 5: Solve for x
    x = 1,120,757,320.06/38,236.71
  6. Step 6: Final answer
    x = 29,311.03

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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.