Home / 36,771.93-55,156.82-21,881.21

Finding the Fourth Proportional to 36,771.93, 55,156.82 and 21,881.21

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Solution

The fourth proportional to 36,771.93, 55,156.82 and 21,881.21 is: 32,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.93 : 55,156.82 = 21,881.21 : x
  2. Step 2: Convert to fraction form
    36,771.93/55,156.82 = 21,881.21/x
  3. Step 3: Cross multiply
    36,771.93x = 55,156.82 × 21,881.21
  4. Step 4: Simplify right side
    36,771.93x = 1,206,897,576.16
  5. Step 5: Solve for x
    x = 1,206,897,576.16/36,771.93
  6. Step 6: Final answer
    x = 32,821.16

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1.5x scale

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.