Home / 31,579.72-47,358.46-10,514.04

Finding the Fourth Proportional to 31,579.72, 47,358.46 and 10,514.04

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Solution

The fourth proportional to 31,579.72, 47,358.46 and 10,514.04 is: 15,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.72 : 47,358.46 = 10,514.04 : x
  2. Step 2: Convert to fraction form
    31,579.72/47,358.46 = 10,514.04/x
  3. Step 3: Cross multiply
    31,579.72x = 47,358.46 × 10,514.04
  4. Step 4: Simplify right side
    31,579.72x = 497,928,742.78
  5. Step 5: Solve for x
    x = 497,928,742.78/31,579.72
  6. Step 6: Final answer
    x = 15,767.36

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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.