Home / 31,739.20-47,589.66-16,758.25

Finding the Fourth Proportional to 31,739.20, 47,589.66 and 16,758.25

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Solution

The fourth proportional to 31,739.20, 47,589.66 and 16,758.25 is: 25,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.20 : 47,589.66 = 16,758.25 : x
  2. Step 2: Convert to fraction form
    31,739.20/47,589.66 = 16,758.25/x
  3. Step 3: Cross multiply
    31,739.20x = 47,589.66 × 16,758.25
  4. Step 4: Simplify right side
    31,739.20x = 797,519,419.70
  5. Step 5: Solve for x
    x = 797,519,419.70/31,739.20
  6. Step 6: Final answer
    x = 25,127.27

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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.