Home / 33,031.58-45,591.68-20,287.82

Finding the Fourth Proportional to 33,031.58, 45,591.68 and 20,287.82

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Solution

The fourth proportional to 33,031.58, 45,591.68 and 20,287.82 is: 28,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.58 : 45,591.68 = 20,287.82 : x
  2. Step 2: Convert to fraction form
    33,031.58/45,591.68 = 20,287.82/x
  3. Step 3: Cross multiply
    33,031.58x = 45,591.68 × 20,287.82
  4. Step 4: Simplify right side
    33,031.58x = 924,955,791.07
  5. Step 5: Solve for x
    x = 924,955,791.07/33,031.58
  6. Step 6: Final answer
    x = 28,002.16

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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.