Home / 29,860.50-41,186.40-20,294.76

Finding the Fourth Proportional to 29,860.50, 41,186.40 and 20,294.76

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Solution

The fourth proportional to 29,860.50, 41,186.40 and 20,294.76 is: 27,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860.50 : 41,186.40 = 20,294.76 : x
  2. Step 2: Convert to fraction form
    29,860.50/41,186.40 = 20,294.76/x
  3. Step 3: Cross multiply
    29,860.50x = 41,186.40 × 20,294.76
  4. Step 4: Simplify right side
    29,860.50x = 835,868,103.26
  5. Step 5: Solve for x
    x = 835,868,103.26/29,860.50
  6. Step 6: Final answer
    x = 27,992.43

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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.