Home / 33,241.93-45,878.28-21,143.54

Finding the Fourth Proportional to 33,241.93, 45,878.28 and 21,143.54

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Solution

The fourth proportional to 33,241.93, 45,878.28 and 21,143.54 is: 29,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,241.93 : 45,878.28 = 21,143.54 : x
  2. Step 2: Convert to fraction form
    33,241.93/45,878.28 = 21,143.54/x
  3. Step 3: Cross multiply
    33,241.93x = 45,878.28 × 21,143.54
  4. Step 4: Simplify right side
    33,241.93x = 970,029,248.31
  5. Step 5: Solve for x
    x = 970,029,248.31/33,241.93
  6. Step 6: Final answer
    x = 29,180.89

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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.