Home / 36,342.21-54,536.41-18,812.06

Finding the Fourth Proportional to 36,342.21, 54,536.41 and 18,812.06

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Solution

The fourth proportional to 36,342.21, 54,536.41 and 18,812.06 is: 28,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.21 : 54,536.41 = 18,812.06 : x
  2. Step 2: Convert to fraction form
    36,342.21/54,536.41 = 18,812.06/x
  3. Step 3: Cross multiply
    36,342.21x = 54,536.41 × 18,812.06
  4. Step 4: Simplify right side
    36,342.21x = 1,025,941,944.42
  5. Step 5: Solve for x
    x = 1,025,941,944.42/36,342.21
  6. Step 6: Final answer
    x = 28,230.04

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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.