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Finding the Fourth Proportional to 29,049.40, 43,574.10 and 9,342.10

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Solution

The fourth proportional to 29,049.40, 43,574.10 and 9,342.10 is: 14,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.40 : 43,574.10 = 9,342.10 : x
  2. Step 2: Convert to fraction form
    29,049.40/43,574.10 = 9,342.10/x
  3. Step 3: Cross multiply
    29,049.40x = 43,574.10 × 9,342.10
  4. Step 4: Simplify right side
    29,049.40x = 407,073,599.61
  5. Step 5: Solve for x
    x = 407,073,599.61/29,049.40
  6. Step 6: Final answer
    x = 14,013.15

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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.