Home / 31,729.08-47,593.62-8,358.96

Finding the Fourth Proportional to 31,729.08, 47,593.62 and 8,358.96

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Solution

The fourth proportional to 31,729.08, 47,593.62 and 8,358.96 is: 12,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.08 : 47,593.62 = 8,358.96 : x
  2. Step 2: Convert to fraction form
    31,729.08/47,593.62 = 8,358.96/x
  3. Step 3: Cross multiply
    31,729.08x = 47,593.62 × 8,358.96
  4. Step 4: Simplify right side
    31,729.08x = 397,833,165.84
  5. Step 5: Solve for x
    x = 397,833,165.84/31,729.08
  6. Step 6: Final answer
    x = 12,538.44

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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.