Home / 29,148.15-43,723.60-9,428.25

Finding the Fourth Proportional to 29,148.15, 43,723.60 and 9,428.25

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Solution

The fourth proportional to 29,148.15, 43,723.60 and 9,428.25 is: 14,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.15 : 43,723.60 = 9,428.25 : x
  2. Step 2: Convert to fraction form
    29,148.15/43,723.60 = 9,428.25/x
  3. Step 3: Cross multiply
    29,148.15x = 43,723.60 × 9,428.25
  4. Step 4: Simplify right side
    29,148.15x = 412,236,926.15
  5. Step 5: Solve for x
    x = 412,236,926.15/29,148.15
  6. Step 6: Final answer
    x = 14,142.81

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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.