Home / 29,979.36-44,961.20-8,913.73

Finding the Fourth Proportional to 29,979.36, 44,961.20 and 8,913.73

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Solution

The fourth proportional to 29,979.36, 44,961.20 and 8,913.73 is: 13,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.36 : 44,961.20 = 8,913.73 : x
  2. Step 2: Convert to fraction form
    29,979.36/44,961.20 = 8,913.73/x
  3. Step 3: Cross multiply
    29,979.36x = 44,961.20 × 8,913.73
  4. Step 4: Simplify right side
    29,979.36x = 400,771,793.42
  5. Step 5: Solve for x
    x = 400,771,793.42/29,979.36
  6. Step 6: Final answer
    x = 13,368.26

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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.