Home / 29,811.15-41,143.28-19,231.55

Finding the Fourth Proportional to 29,811.15, 41,143.28 and 19,231.55

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Solution

The fourth proportional to 29,811.15, 41,143.28 and 19,231.55 is: 26,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.15 : 41,143.28 = 19,231.55 : x
  2. Step 2: Convert to fraction form
    29,811.15/41,143.28 = 19,231.55/x
  3. Step 3: Cross multiply
    29,811.15x = 41,143.28 × 19,231.55
  4. Step 4: Simplify right side
    29,811.15x = 791,248,744.61
  5. Step 5: Solve for x
    x = 791,248,744.61/29,811.15
  6. Step 6: Final answer
    x = 26,542.04

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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.