Home / 38,201.38-52,717.72-21,205.84

Finding the Fourth Proportional to 38,201.38, 52,717.72 and 21,205.84

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Solution

The fourth proportional to 38,201.38, 52,717.72 and 21,205.84 is: 29,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.38 : 52,717.72 = 21,205.84 : x
  2. Step 2: Convert to fraction form
    38,201.38/52,717.72 = 21,205.84/x
  3. Step 3: Cross multiply
    38,201.38x = 52,717.72 × 21,205.84
  4. Step 4: Simplify right side
    38,201.38x = 1,117,923,535.48
  5. Step 5: Solve for x
    x = 1,117,923,535.48/38,201.38
  6. Step 6: Final answer
    x = 29,263.96

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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.