Home / 36,771.23-55,102.34-20,968.13

Finding the Fourth Proportional to 36,771.23, 55,102.34 and 20,968.13

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Solution

The fourth proportional to 36,771.23, 55,102.34 and 20,968.13 is: 31,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.23 : 55,102.34 = 20,968.13 : x
  2. Step 2: Convert to fraction form
    36,771.23/55,102.34 = 20,968.13/x
  3. Step 3: Cross multiply
    36,771.23x = 55,102.34 × 20,968.13
  4. Step 4: Simplify right side
    36,771.23x = 1,155,393,218.60
  5. Step 5: Solve for x
    x = 1,155,393,218.60/36,771.23
  6. Step 6: Final answer
    x = 31,421.12

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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.