Home / 33,311.04-45,961.20-20,726.88

Finding the Fourth Proportional to 33,311.04, 45,961.20 and 20,726.88

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Solution

The fourth proportional to 33,311.04, 45,961.20 and 20,726.88 is: 28,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.04 : 45,961.20 = 20,726.88 : x
  2. Step 2: Convert to fraction form
    33,311.04/45,961.20 = 20,726.88/x
  3. Step 3: Cross multiply
    33,311.04x = 45,961.20 × 20,726.88
  4. Step 4: Simplify right side
    33,311.04x = 952,632,277.06
  5. Step 5: Solve for x
    x = 952,632,277.06/33,311.04
  6. Step 6: Final answer
    x = 28,598.09

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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.