Home / 36,343.21-54,537.91-18,813.06

Finding the Fourth Proportional to 36,343.21, 54,537.91 and 18,813.06

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Solution

The fourth proportional to 36,343.21, 54,537.91 and 18,813.06 is: 28,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.21 : 54,537.91 = 18,813.06 : x
  2. Step 2: Convert to fraction form
    36,343.21/54,537.91 = 18,813.06/x
  3. Step 3: Cross multiply
    36,343.21x = 54,537.91 × 18,813.06
  4. Step 4: Simplify right side
    36,343.21x = 1,026,024,973.10
  5. Step 5: Solve for x
    x = 1,026,024,973.10/36,343.21
  6. Step 6: Final answer
    x = 28,231.55

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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.