Home / 38,198.79-52,713.51-21,202.04

Finding the Fourth Proportional to 38,198.79, 52,713.51 and 21,202.04

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Solution

The fourth proportional to 38,198.79, 52,713.51 and 21,202.04 is: 29,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.79 : 52,713.51 = 21,202.04 : x
  2. Step 2: Convert to fraction form
    38,198.79/52,713.51 = 21,202.04/x
  3. Step 3: Cross multiply
    38,198.79x = 52,713.51 × 21,202.04
  4. Step 4: Simplify right side
    38,198.79x = 1,117,633,947.56
  5. Step 5: Solve for x
    x = 1,117,633,947.56/38,198.79
  6. Step 6: Final answer
    x = 29,258.36

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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.