Home / 33,214.96-45,801.48-21,278.80

Finding the Fourth Proportional to 33,214.96, 45,801.48 and 21,278.80

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Solution

The fourth proportional to 33,214.96, 45,801.48 and 21,278.80 is: 29,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,214.96 : 45,801.48 = 21,278.80 : x
  2. Step 2: Convert to fraction form
    33,214.96/45,801.48 = 21,278.80/x
  3. Step 3: Cross multiply
    33,214.96x = 45,801.48 × 21,278.80
  4. Step 4: Simplify right side
    33,214.96x = 974,600,532.62
  5. Step 5: Solve for x
    x = 974,600,532.62/33,214.96
  6. Step 6: Final answer
    x = 29,342.22

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Similar ratio
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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.