Home / 33,212.40-45,828.36-20,632.56

Finding the Fourth Proportional to 33,212.40, 45,828.36 and 20,632.56

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Solution

The fourth proportional to 33,212.40, 45,828.36 and 20,632.56 is: 28,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.40 : 45,828.36 = 20,632.56 : x
  2. Step 2: Convert to fraction form
    33,212.40/45,828.36 = 20,632.56/x
  3. Step 3: Cross multiply
    33,212.40x = 45,828.36 × 20,632.56
  4. Step 4: Simplify right side
    33,212.40x = 945,556,387.40
  5. Step 5: Solve for x
    x = 945,556,387.40/33,212.40
  6. Step 6: Final answer
    x = 28,469.98

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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.