Home / 36,822.78-55,236.15-11,861.01

Finding the Fourth Proportional to 36,822.78, 55,236.15 and 11,861.01

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Solution

The fourth proportional to 36,822.78, 55,236.15 and 11,861.01 is: 17,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,822.78 : 55,236.15 = 11,861.01 : x
  2. Step 2: Convert to fraction form
    36,822.78/55,236.15 = 11,861.01/x
  3. Step 3: Cross multiply
    36,822.78x = 55,236.15 × 11,861.01
  4. Step 4: Simplify right side
    36,822.78x = 655,156,527.51
  5. Step 5: Solve for x
    x = 655,156,527.51/36,822.78
  6. Step 6: Final answer
    x = 17,792.15

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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.