Home / 33,036.64-45,571.36-20,452.48

Finding the Fourth Proportional to 33,036.64, 45,571.36 and 20,452.48

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Solution

The fourth proportional to 33,036.64, 45,571.36 and 20,452.48 is: 28,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,036.64 : 45,571.36 = 20,452.48 : x
  2. Step 2: Convert to fraction form
    33,036.64/45,571.36 = 20,452.48/x
  3. Step 3: Cross multiply
    33,036.64x = 45,571.36 × 20,452.48
  4. Step 4: Simplify right side
    33,036.64x = 932,047,328.97
  5. Step 5: Solve for x
    x = 932,047,328.97/33,036.64
  6. Step 6: Final answer
    x = 28,212.53

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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.