Home / 84,241.04-126,361.72-21,911.44

Finding the Fourth Proportional to 84,241.04, 126,361.72 and 21,911.44

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Solution

The fourth proportional to 84,241.04, 126,361.72 and 21,911.44 is: 32,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,241.04 : 126,361.72 = 21,911.44 : x
  2. Step 2: Convert to fraction form
    84,241.04/126,361.72 = 21,911.44/x
  3. Step 3: Cross multiply
    84,241.04x = 126,361.72 × 21,911.44
  4. Step 4: Simplify right side
    84,241.04x = 2,768,767,246.08
  5. Step 5: Solve for x
    x = 2,768,767,246.08/84,241.04
  6. Step 6: Final answer
    x = 32,867.20

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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.