Home / 51,815.87-77,660.78-29,270.63

Finding the Fourth Proportional to 51,815.87, 77,660.78 and 29,270.63

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Solution

The fourth proportional to 51,815.87, 77,660.78 and 29,270.63 is: 43,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.87 : 77,660.78 = 29,270.63 : x
  2. Step 2: Convert to fraction form
    51,815.87/77,660.78 = 29,270.63/x
  3. Step 3: Cross multiply
    51,815.87x = 77,660.78 × 29,270.63
  4. Step 4: Simplify right side
    51,815.87x = 2,273,180,004.69
  5. Step 5: Solve for x
    x = 2,273,180,004.69/51,815.87
  6. Step 6: Final answer
    x = 43,870.34

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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.