Home / 33,232.90-45,868.85-21,131.04

Finding the Fourth Proportional to 33,232.90, 45,868.85 and 21,131.04

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Solution

The fourth proportional to 33,232.90, 45,868.85 and 21,131.04 is: 29,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,232.90 : 45,868.85 = 21,131.04 : x
  2. Step 2: Convert to fraction form
    33,232.90/45,868.85 = 21,131.04/x
  3. Step 3: Cross multiply
    33,232.90x = 45,868.85 × 21,131.04
  4. Step 4: Simplify right side
    33,232.90x = 969,256,672.89
  5. Step 5: Solve for x
    x = 969,256,672.89/33,232.90
  6. Step 6: Final answer
    x = 29,165.58

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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.