Home / 29,306.91-43,959.81-7,120.10

Finding the Fourth Proportional to 29,306.91, 43,959.81 and 7,120.10

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Solution

The fourth proportional to 29,306.91, 43,959.81 and 7,120.10 is: 10,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.91 : 43,959.81 = 7,120.10 : x
  2. Step 2: Convert to fraction form
    29,306.91/43,959.81 = 7,120.10/x
  3. Step 3: Cross multiply
    29,306.91x = 43,959.81 × 7,120.10
  4. Step 4: Simplify right side
    29,306.91x = 312,998,379.78
  5. Step 5: Solve for x
    x = 312,998,379.78/29,306.91
  6. Step 6: Final answer
    x = 10,680.02

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1.5x scale

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.