Home / 29,261.82-40,381.20-15,833.10

Finding the Fourth Proportional to 29,261.82, 40,381.20 and 15,833.10

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Solution

The fourth proportional to 29,261.82, 40,381.20 and 15,833.10 is: 21,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.82 : 40,381.20 = 15,833.10 : x
  2. Step 2: Convert to fraction form
    29,261.82/40,381.20 = 15,833.10/x
  3. Step 3: Cross multiply
    29,261.82x = 40,381.20 × 15,833.10
  4. Step 4: Simplify right side
    29,261.82x = 639,359,577.72
  5. Step 5: Solve for x
    x = 639,359,577.72/29,261.82
  6. Step 6: Final answer
    x = 21,849.62

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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.