Home / 20,019.10-30,028.27-5,979.17

Finding the Fourth Proportional to 20,019.10, 30,028.27 and 5,979.17

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Solution

The fourth proportional to 20,019.10, 30,028.27 and 5,979.17 is: 8,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.10 : 30,028.27 = 5,979.17 : x
  2. Step 2: Convert to fraction form
    20,019.10/30,028.27 = 5,979.17/x
  3. Step 3: Cross multiply
    20,019.10x = 30,028.27 × 5,979.17
  4. Step 4: Simplify right side
    20,019.10x = 179,544,134.83
  5. Step 5: Solve for x
    x = 179,544,134.83/20,019.10
  6. Step 6: Final answer
    x = 8,968.64

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Similar ratio
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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.