Home / 29,150.20-43,725.30-9,429.40

Finding the Fourth Proportional to 29,150.20, 43,725.30 and 9,429.40

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Solution

The fourth proportional to 29,150.20, 43,725.30 and 9,429.40 is: 14,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.20 : 43,725.30 = 9,429.40 : x
  2. Step 2: Convert to fraction form
    29,150.20/43,725.30 = 9,429.40/x
  3. Step 3: Cross multiply
    29,150.20x = 43,725.30 × 9,429.40
  4. Step 4: Simplify right side
    29,150.20x = 412,303,343.82
  5. Step 5: Solve for x
    x = 412,303,343.82/29,150.20
  6. Step 6: Final answer
    x = 14,144.10

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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.