Home / 31,846.34-47,776.30-10,785.64

Finding the Fourth Proportional to 31,846.34, 47,776.30 and 10,785.64

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Solution

The fourth proportional to 31,846.34, 47,776.30 and 10,785.64 is: 16,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.34 : 47,776.30 = 10,785.64 : x
  2. Step 2: Convert to fraction form
    31,846.34/47,776.30 = 10,785.64/x
  3. Step 3: Cross multiply
    31,846.34x = 47,776.30 × 10,785.64
  4. Step 4: Simplify right side
    31,846.34x = 515,297,954.52
  5. Step 5: Solve for x
    x = 515,297,954.52/31,846.34
  6. Step 6: Final answer
    x = 16,180.76

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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.