Home / 52,036.88-71,811.12-29,376.80

Finding the Fourth Proportional to 52,036.88, 71,811.12 and 29,376.80

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Solution

The fourth proportional to 52,036.88, 71,811.12 and 29,376.80 is: 40,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,036.88 : 71,811.12 = 29,376.80 : x
  2. Step 2: Convert to fraction form
    52,036.88/71,811.12 = 29,376.80/x
  3. Step 3: Cross multiply
    52,036.88x = 71,811.12 × 29,376.80
  4. Step 4: Simplify right side
    52,036.88x = 2,109,580,910.02
  5. Step 5: Solve for x
    x = 2,109,580,910.02/52,036.88
  6. Step 6: Final answer
    x = 40,540.11

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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.