Home / 33,023.40-45,580.42-20,279.64

Finding the Fourth Proportional to 33,023.40, 45,580.42 and 20,279.64

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Solution

The fourth proportional to 33,023.40, 45,580.42 and 20,279.64 is: 27,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,023.40 : 45,580.42 = 20,279.64 : x
  2. Step 2: Convert to fraction form
    33,023.40/45,580.42 = 20,279.64/x
  3. Step 3: Cross multiply
    33,023.40x = 45,580.42 × 20,279.64
  4. Step 4: Simplify right side
    33,023.40x = 924,354,508.65
  5. Step 5: Solve for x
    x = 924,354,508.65/33,023.40
  6. Step 6: Final answer
    x = 27,990.89

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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.