Home / 51,223.92-70,691.16-30,000.24

Finding the Fourth Proportional to 51,223.92, 70,691.16 and 30,000.24

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Solution

The fourth proportional to 51,223.92, 70,691.16 and 30,000.24 is: 41,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.92 : 70,691.16 = 30,000.24 : x
  2. Step 2: Convert to fraction form
    51,223.92/70,691.16 = 30,000.24/x
  3. Step 3: Cross multiply
    51,223.92x = 70,691.16 × 30,000.24
  4. Step 4: Simplify right side
    51,223.92x = 2,120,751,765.88
  5. Step 5: Solve for x
    x = 2,120,751,765.88/51,223.92
  6. Step 6: Final answer
    x = 41,401.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.