Home / 20,081.16-30,297.06-20,025.81

Finding the Fourth Proportional to 20,081.16, 30,297.06 and 20,025.81

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Solution

The fourth proportional to 20,081.16, 30,297.06 and 20,025.81 is: 30,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.16 : 30,297.06 = 20,025.81 : x
  2. Step 2: Convert to fraction form
    20,081.16/30,297.06 = 20,025.81/x
  3. Step 3: Cross multiply
    20,081.16x = 30,297.06 × 20,025.81
  4. Step 4: Simplify right side
    20,081.16x = 606,723,167.12
  5. Step 5: Solve for x
    x = 606,723,167.12/20,081.16
  6. Step 6: Final answer
    x = 30,213.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.