Home / 29,261.46-40,380.53-15,832.42

Finding the Fourth Proportional to 29,261.46, 40,380.53 and 15,832.42

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Solution

The fourth proportional to 29,261.46, 40,380.53 and 15,832.42 is: 21,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.46 : 40,380.53 = 15,832.42 : x
  2. Step 2: Convert to fraction form
    29,261.46/40,380.53 = 15,832.42/x
  3. Step 3: Cross multiply
    29,261.46x = 40,380.53 × 15,832.42
  4. Step 4: Simplify right side
    29,261.46x = 639,321,510.78
  5. Step 5: Solve for x
    x = 639,321,510.78/29,261.46
  6. Step 6: Final answer
    x = 21,848.59

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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.