Home / 33,249.76-45,877.94-21,155.05

Finding the Fourth Proportional to 33,249.76, 45,877.94 and 21,155.05

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Solution

The fourth proportional to 33,249.76, 45,877.94 and 21,155.05 is: 29,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249.76 : 45,877.94 = 21,155.05 : x
  2. Step 2: Convert to fraction form
    33,249.76/45,877.94 = 21,155.05/x
  3. Step 3: Cross multiply
    33,249.76x = 45,877.94 × 21,155.05
  4. Step 4: Simplify right side
    33,249.76x = 970,550,114.60
  5. Step 5: Solve for x
    x = 970,550,114.60/33,249.76
  6. Step 6: Final answer
    x = 29,189.69

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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.