Home / 36,645.76-54,975.93-11,685

Finding the Fourth Proportional to 36,645.76, 54,975.93 and 11,685

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Solution

The fourth proportional to 36,645.76, 54,975.93 and 11,685 is: 17,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.76 : 54,975.93 = 11,685 : x
  2. Step 2: Convert to fraction form
    36,645.76/54,975.93 = 11,685/x
  3. Step 3: Cross multiply
    36,645.76x = 54,975.93 × 11,685
  4. Step 4: Simplify right side
    36,645.76x = 642,393,742.05
  5. Step 5: Solve for x
    x = 642,393,742.05/36,645.76
  6. Step 6: Final answer
    x = 17,529.82

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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.