Home / 51,704.20-71,358.51-31,556.89

Finding the Fourth Proportional to 51,704.20, 71,358.51 and 31,556.89

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Solution

The fourth proportional to 51,704.20, 71,358.51 and 31,556.89 is: 43,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.20 : 71,358.51 = 31,556.89 : x
  2. Step 2: Convert to fraction form
    51,704.20/71,358.51 = 31,556.89/x
  3. Step 3: Cross multiply
    51,704.20x = 71,358.51 × 31,556.89
  4. Step 4: Simplify right side
    51,704.20x = 2,251,852,650.63
  5. Step 5: Solve for x
    x = 2,251,852,650.63/51,704.20
  6. Step 6: Final answer
    x = 43,552.61

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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.