Home / 29,101.14-43,615.20-12,441.60

Finding the Fourth Proportional to 29,101.14, 43,615.20 and 12,441.60

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Solution

The fourth proportional to 29,101.14, 43,615.20 and 12,441.60 is: 18,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101.14 : 43,615.20 = 12,441.60 : x
  2. Step 2: Convert to fraction form
    29,101.14/43,615.20 = 12,441.60/x
  3. Step 3: Cross multiply
    29,101.14x = 43,615.20 × 12,441.60
  4. Step 4: Simplify right side
    29,101.14x = 542,642,872.32
  5. Step 5: Solve for x
    x = 542,642,872.32/29,101.14
  6. Step 6: Final answer
    x = 18,646.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.