Home / 38,103.20-52,584.08-21,335.84

Finding the Fourth Proportional to 38,103.20, 52,584.08 and 21,335.84

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Solution

The fourth proportional to 38,103.20, 52,584.08 and 21,335.84 is: 29,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.20 : 52,584.08 = 21,335.84 : x
  2. Step 2: Convert to fraction form
    38,103.20/52,584.08 = 21,335.84/x
  3. Step 3: Cross multiply
    38,103.20x = 52,584.08 × 21,335.84
  4. Step 4: Simplify right side
    38,103.20x = 1,121,925,517.43
  5. Step 5: Solve for x
    x = 1,121,925,517.43/38,103.20
  6. Step 6: Final answer
    x = 29,444.39

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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.