Home / 31,351.48-47,198.27-28,595.86

Finding the Fourth Proportional to 31,351.48, 47,198.27 and 28,595.86

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Solution

The fourth proportional to 31,351.48, 47,198.27 and 28,595.86 is: 43,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.48 : 47,198.27 = 28,595.86 : x
  2. Step 2: Convert to fraction form
    31,351.48/47,198.27 = 28,595.86/x
  3. Step 3: Cross multiply
    31,351.48x = 47,198.27 × 28,595.86
  4. Step 4: Simplify right side
    31,351.48x = 1,349,675,121.16
  5. Step 5: Solve for x
    x = 1,349,675,121.16/31,351.48
  6. Step 6: Final answer
    x = 43,049.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.