Home / 51,352.32-77,028.60-13,912.62

Finding the Fourth Proportional to 51,352.32, 77,028.60 and 13,912.62

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Solution

The fourth proportional to 51,352.32, 77,028.60 and 13,912.62 is: 20,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.32 : 77,028.60 = 13,912.62 : x
  2. Step 2: Convert to fraction form
    51,352.32/77,028.60 = 13,912.62/x
  3. Step 3: Cross multiply
    51,352.32x = 77,028.60 × 13,912.62
  4. Step 4: Simplify right side
    51,352.32x = 1,071,669,640.93
  5. Step 5: Solve for x
    x = 1,071,669,640.93/51,352.32
  6. Step 6: Final answer
    x = 20,868.96

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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.