Home / 36,721.58-50,677.82-20,811.16

Finding the Fourth Proportional to 36,721.58, 50,677.82 and 20,811.16

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Solution

The fourth proportional to 36,721.58, 50,677.82 and 20,811.16 is: 28,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.58 : 50,677.82 = 20,811.16 : x
  2. Step 2: Convert to fraction form
    36,721.58/50,677.82 = 20,811.16/x
  3. Step 3: Cross multiply
    36,721.58x = 50,677.82 × 20,811.16
  4. Step 4: Simplify right side
    36,721.58x = 1,054,664,220.47
  5. Step 5: Solve for x
    x = 1,054,664,220.47/36,721.58
  6. Step 6: Final answer
    x = 28,720.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.