Home / 31,452.82-47,182.20-10,393

Finding the Fourth Proportional to 31,452.82, 47,182.20 and 10,393

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Solution

The fourth proportional to 31,452.82, 47,182.20 and 10,393 is: 15,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.82 : 47,182.20 = 10,393 : x
  2. Step 2: Convert to fraction form
    31,452.82/47,182.20 = 10,393/x
  3. Step 3: Cross multiply
    31,452.82x = 47,182.20 × 10,393
  4. Step 4: Simplify right side
    31,452.82x = 490,364,604.60
  5. Step 5: Solve for x
    x = 490,364,604.60/31,452.82
  6. Step 6: Final answer
    x = 15,590.48

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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.