Home / 38,201.92-52,717.82-21,205.18

Finding the Fourth Proportional to 38,201.92, 52,717.82 and 21,205.18

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Solution

The fourth proportional to 38,201.92, 52,717.82 and 21,205.18 is: 29,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.92 : 52,717.82 = 21,205.18 : x
  2. Step 2: Convert to fraction form
    38,201.92/52,717.82 = 21,205.18/x
  3. Step 3: Cross multiply
    38,201.92x = 52,717.82 × 21,205.18
  4. Step 4: Simplify right side
    38,201.92x = 1,117,890,862.31
  5. Step 5: Solve for x
    x = 1,117,890,862.31/38,201.92
  6. Step 6: Final answer
    x = 29,262.69

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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.