Home / 36,396-54,541.44-20,818.08

Finding the Fourth Proportional to 36,396, 54,541.44 and 20,818.08

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Solution

The fourth proportional to 36,396, 54,541.44 and 20,818.08 is: 31,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396 : 54,541.44 = 20,818.08 : x
  2. Step 2: Convert to fraction form
    36,396/54,541.44 = 20,818.08/x
  3. Step 3: Cross multiply
    36,396x = 54,541.44 × 20,818.08
  4. Step 4: Simplify right side
    36,396x = 1,135,448,061.24
  5. Step 5: Solve for x
    x = 1,135,448,061.24/36,396
  6. Step 6: Final answer
    x = 31,197.06

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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.