Home / 31,832.02-47,731.60-14,286.84

Finding the Fourth Proportional to 31,832.02, 47,731.60 and 14,286.84

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Solution

The fourth proportional to 31,832.02, 47,731.60 and 14,286.84 is: 21,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.02 : 47,731.60 = 14,286.84 : x
  2. Step 2: Convert to fraction form
    31,832.02/47,731.60 = 14,286.84/x
  3. Step 3: Cross multiply
    31,832.02x = 47,731.60 × 14,286.84
  4. Step 4: Simplify right side
    31,832.02x = 681,933,732.14
  5. Step 5: Solve for x
    x = 681,933,732.14/31,832.02
  6. Step 6: Final answer
    x = 21,422.89

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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.