Home / 31,620.22-47,424.86-10,843.72

Finding the Fourth Proportional to 31,620.22, 47,424.86 and 10,843.72

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Solution

The fourth proportional to 31,620.22, 47,424.86 and 10,843.72 is: 16,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.22 : 47,424.86 = 10,843.72 : x
  2. Step 2: Convert to fraction form
    31,620.22/47,424.86 = 10,843.72/x
  3. Step 3: Cross multiply
    31,620.22x = 47,424.86 × 10,843.72
  4. Step 4: Simplify right side
    31,620.22x = 514,261,770.76
  5. Step 5: Solve for x
    x = 514,261,770.76/31,620.22
  6. Step 6: Final answer
    x = 16,263.70

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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.