Home / 36,309.11-50,101.91-21,190.81

Finding the Fourth Proportional to 36,309.11, 50,101.91 and 21,190.81

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Solution

The fourth proportional to 36,309.11, 50,101.91 and 21,190.81 is: 29,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.11 : 50,101.91 = 21,190.81 : x
  2. Step 2: Convert to fraction form
    36,309.11/50,101.91 = 21,190.81/x
  3. Step 3: Cross multiply
    36,309.11x = 50,101.91 × 21,190.81
  4. Step 4: Simplify right side
    36,309.11x = 1,061,699,983.17
  5. Step 5: Solve for x
    x = 1,061,699,983.17/36,309.11
  6. Step 6: Final answer
    x = 29,240.60

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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.