Home / 20,091.44-30,134.58-5,301.47

Finding the Fourth Proportional to 20,091.44, 30,134.58 and 5,301.47

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Solution

The fourth proportional to 20,091.44, 30,134.58 and 5,301.47 is: 7,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.44 : 30,134.58 = 5,301.47 : x
  2. Step 2: Convert to fraction form
    20,091.44/30,134.58 = 5,301.47/x
  3. Step 3: Cross multiply
    20,091.44x = 30,134.58 × 5,301.47
  4. Step 4: Simplify right side
    20,091.44x = 159,757,421.16
  5. Step 5: Solve for x
    x = 159,757,421.16/20,091.44
  6. Step 6: Final answer
    x = 7,951.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.