Home / 51,352.36-77,028.84-15,813.22

Finding the Fourth Proportional to 51,352.36, 77,028.84 and 15,813.22

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Solution

The fourth proportional to 51,352.36, 77,028.84 and 15,813.22 is: 23,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.36 : 77,028.84 = 15,813.22 : x
  2. Step 2: Convert to fraction form
    51,352.36/77,028.84 = 15,813.22/x
  3. Step 3: Cross multiply
    51,352.36x = 77,028.84 × 15,813.22
  4. Step 4: Simplify right side
    51,352.36x = 1,218,073,993.26
  5. Step 5: Solve for x
    x = 1,218,073,993.26/51,352.36
  6. Step 6: Final answer
    x = 23,719.92

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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.