Home / 29,131.20-43,696.80-9,410.40

Finding the Fourth Proportional to 29,131.20, 43,696.80 and 9,410.40

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Solution

The fourth proportional to 29,131.20, 43,696.80 and 9,410.40 is: 14,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.20 : 43,696.80 = 9,410.40 : x
  2. Step 2: Convert to fraction form
    29,131.20/43,696.80 = 9,410.40/x
  3. Step 3: Cross multiply
    29,131.20x = 43,696.80 × 9,410.40
  4. Step 4: Simplify right side
    29,131.20x = 411,204,366.72
  5. Step 5: Solve for x
    x = 411,204,366.72/29,131.20
  6. Step 6: Final answer
    x = 14,115.60

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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.