Home / 36,035.82-49,720.23-21,888.90

Finding the Fourth Proportional to 36,035.82, 49,720.23 and 21,888.90

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Solution

The fourth proportional to 36,035.82, 49,720.23 and 21,888.90 is: 30,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.82 : 49,720.23 = 21,888.90 : x
  2. Step 2: Convert to fraction form
    36,035.82/49,720.23 = 21,888.90/x
  3. Step 3: Cross multiply
    36,035.82x = 49,720.23 × 21,888.90
  4. Step 4: Simplify right side
    36,035.82x = 1,088,321,142.45
  5. Step 5: Solve for x
    x = 1,088,321,142.45/36,035.82
  6. Step 6: Final answer
    x = 30,201.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.