Home / 33,291.52-45,965.44-20,721.92

Finding the Fourth Proportional to 33,291.52, 45,965.44 and 20,721.92

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Solution

The fourth proportional to 33,291.52, 45,965.44 and 20,721.92 is: 28,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.52 : 45,965.44 = 20,721.92 : x
  2. Step 2: Convert to fraction form
    33,291.52/45,965.44 = 20,721.92/x
  3. Step 3: Cross multiply
    33,291.52x = 45,965.44 × 20,721.92
  4. Step 4: Simplify right side
    33,291.52x = 952,492,170.44
  5. Step 5: Solve for x
    x = 952,492,170.44/33,291.52
  6. Step 6: Final answer
    x = 28,610.65

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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.