Home / 48,217.56-72,245.70-31,556.76

Finding the Fourth Proportional to 48,217.56, 72,245.70 and 31,556.76

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Solution

The fourth proportional to 48,217.56, 72,245.70 and 31,556.76 is: 47,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.56 : 72,245.70 = 31,556.76 : x
  2. Step 2: Convert to fraction form
    48,217.56/72,245.70 = 31,556.76/x
  3. Step 3: Cross multiply
    48,217.56x = 72,245.70 × 31,556.76
  4. Step 4: Simplify right side
    48,217.56x = 2,279,840,215.93
  5. Step 5: Solve for x
    x = 2,279,840,215.93/48,217.56
  6. Step 6: Final answer
    x = 47,282.36

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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.