Home / 31,371.36-47,065.68-10,609.44

Finding the Fourth Proportional to 31,371.36, 47,065.68 and 10,609.44

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Solution

The fourth proportional to 31,371.36, 47,065.68 and 10,609.44 is: 15,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.36 : 47,065.68 = 10,609.44 : x
  2. Step 2: Convert to fraction form
    31,371.36/47,065.68 = 10,609.44/x
  3. Step 3: Cross multiply
    31,371.36x = 47,065.68 × 10,609.44
  4. Step 4: Simplify right side
    31,371.36x = 499,340,508.02
  5. Step 5: Solve for x
    x = 499,340,508.02/31,371.36
  6. Step 6: Final answer
    x = 15,917.08

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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.