Home / 51,466.20-77,202.90-21,880.68

Finding the Fourth Proportional to 51,466.20, 77,202.90 and 21,880.68

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Solution

The fourth proportional to 51,466.20, 77,202.90 and 21,880.68 is: 32,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,466.20 : 77,202.90 = 21,880.68 : x
  2. Step 2: Convert to fraction form
    51,466.20/77,202.90 = 21,880.68/x
  3. Step 3: Cross multiply
    51,466.20x = 77,202.90 × 21,880.68
  4. Step 4: Simplify right side
    51,466.20x = 1,689,251,949.97
  5. Step 5: Solve for x
    x = 1,689,251,949.97/51,466.20
  6. Step 6: Final answer
    x = 32,822.55

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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.