Home / 29,150.13-43,731.57-9,428.40

Finding the Fourth Proportional to 29,150.13, 43,731.57 and 9,428.40

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Solution

The fourth proportional to 29,150.13, 43,731.57 and 9,428.40 is: 14,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.13 : 43,731.57 = 9,428.40 : x
  2. Step 2: Convert to fraction form
    29,150.13/43,731.57 = 9,428.40/x
  3. Step 3: Cross multiply
    29,150.13x = 43,731.57 × 9,428.40
  4. Step 4: Simplify right side
    29,150.13x = 412,318,734.59
  5. Step 5: Solve for x
    x = 412,318,734.59/29,150.13
  6. Step 6: Final answer
    x = 14,144.66

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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.