Home / 51,286.08-70,768.45-28,626.33

Finding the Fourth Proportional to 51,286.08, 70,768.45 and 28,626.33

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Solution

The fourth proportional to 51,286.08, 70,768.45 and 28,626.33 is: 39,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.08 : 70,768.45 = 28,626.33 : x
  2. Step 2: Convert to fraction form
    51,286.08/70,768.45 = 28,626.33/x
  3. Step 3: Cross multiply
    51,286.08x = 70,768.45 × 28,626.33
  4. Step 4: Simplify right side
    51,286.08x = 2,025,841,003.29
  5. Step 5: Solve for x
    x = 2,025,841,003.29/51,286.08
  6. Step 6: Final answer
    x = 39,500.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.