Home / 33,189.46-45,766.29-21,253.30

Finding the Fourth Proportional to 33,189.46, 45,766.29 and 21,253.30

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Solution

The fourth proportional to 33,189.46, 45,766.29 and 21,253.30 is: 29,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.46 : 45,766.29 = 21,253.30 : x
  2. Step 2: Convert to fraction form
    33,189.46/45,766.29 = 21,253.30/x
  3. Step 3: Cross multiply
    33,189.46x = 45,766.29 × 21,253.30
  4. Step 4: Simplify right side
    33,189.46x = 972,684,691.26
  5. Step 5: Solve for x
    x = 972,684,691.26/33,189.46
  6. Step 6: Final answer
    x = 29,307.04

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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.