Home / 51,286.21-70,768.62-28,626.46

Finding the Fourth Proportional to 51,286.21, 70,768.62 and 28,626.46

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Solution

The fourth proportional to 51,286.21, 70,768.62 and 28,626.46 is: 39,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.21 : 70,768.62 = 28,626.46 : x
  2. Step 2: Convert to fraction form
    51,286.21/70,768.62 = 28,626.46/x
  3. Step 3: Cross multiply
    51,286.21x = 70,768.62 × 28,626.46
  4. Step 4: Simplify right side
    51,286.21x = 2,025,854,892.76
  5. Step 5: Solve for x
    x = 2,025,854,892.76/51,286.21
  6. Step 6: Final answer
    x = 39,500.97

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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.