Home / 29,149.60-43,724.40-12,506.80

Finding the Fourth Proportional to 29,149.60, 43,724.40 and 12,506.80

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Solution

The fourth proportional to 29,149.60, 43,724.40 and 12,506.80 is: 18,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.60 : 43,724.40 = 12,506.80 : x
  2. Step 2: Convert to fraction form
    29,149.60/43,724.40 = 12,506.80/x
  3. Step 3: Cross multiply
    29,149.60x = 43,724.40 × 12,506.80
  4. Step 4: Simplify right side
    29,149.60x = 546,852,325.92
  5. Step 5: Solve for x
    x = 546,852,325.92/29,149.60
  6. Step 6: Final answer
    x = 18,760.20

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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.