Home / 33,243.02-45,861.28-21,302.54

Finding the Fourth Proportional to 33,243.02, 45,861.28 and 21,302.54

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Solution

The fourth proportional to 33,243.02, 45,861.28 and 21,302.54 is: 29,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.02 : 45,861.28 = 21,302.54 : x
  2. Step 2: Convert to fraction form
    33,243.02/45,861.28 = 21,302.54/x
  3. Step 3: Cross multiply
    33,243.02x = 45,861.28 × 21,302.54
  4. Step 4: Simplify right side
    33,243.02x = 976,961,469.09
  5. Step 5: Solve for x
    x = 976,961,469.09/33,243.02
  6. Step 6: Final answer
    x = 29,388.47

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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.