Home / 54,643.75-81,965.77-15,200.87

Finding the Fourth Proportional to 54,643.75, 81,965.77 and 15,200.87

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Solution

The fourth proportional to 54,643.75, 81,965.77 and 15,200.87 is: 22,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,643.75 : 81,965.77 = 15,200.87 : x
  2. Step 2: Convert to fraction form
    54,643.75/81,965.77 = 15,200.87/x
  3. Step 3: Cross multiply
    54,643.75x = 81,965.77 × 15,200.87
  4. Step 4: Simplify right side
    54,643.75x = 1,245,950,566.39
  5. Step 5: Solve for x
    x = 1,245,950,566.39/54,643.75
  6. Step 6: Final answer
    x = 22,801.34

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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.