Home / 36,519.81-54,787.91-11,561.35

Finding the Fourth Proportional to 36,519.81, 54,787.91 and 11,561.35

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Solution

The fourth proportional to 36,519.81, 54,787.91 and 11,561.35 is: 17,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.81 : 54,787.91 = 11,561.35 : x
  2. Step 2: Convert to fraction form
    36,519.81/54,787.91 = 11,561.35/x
  3. Step 3: Cross multiply
    36,519.81x = 54,787.91 × 11,561.35
  4. Step 4: Simplify right side
    36,519.81x = 633,422,203.28
  5. Step 5: Solve for x
    x = 633,422,203.28/36,519.81
  6. Step 6: Final answer
    x = 17,344.62

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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.