Home / 38,198.13-52,713.48-21,201.76

Finding the Fourth Proportional to 38,198.13, 52,713.48 and 21,201.76

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Solution

The fourth proportional to 38,198.13, 52,713.48 and 21,201.76 is: 29,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.13 : 52,713.48 = 21,201.76 : x
  2. Step 2: Convert to fraction form
    38,198.13/52,713.48 = 21,201.76/x
  3. Step 3: Cross multiply
    38,198.13x = 52,713.48 × 21,201.76
  4. Step 4: Simplify right side
    38,198.13x = 1,117,618,551.72
  5. Step 5: Solve for x
    x = 1,117,618,551.72/38,198.13
  6. Step 6: Final answer
    x = 29,258.46

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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.