Home / 36,197.64-49,954.10-20,281.50

Finding the Fourth Proportional to 36,197.64, 49,954.10 and 20,281.50

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Solution

The fourth proportional to 36,197.64, 49,954.10 and 20,281.50 is: 27,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,197.64 : 49,954.10 = 20,281.50 : x
  2. Step 2: Convert to fraction form
    36,197.64/49,954.10 = 20,281.50/x
  3. Step 3: Cross multiply
    36,197.64x = 49,954.10 × 20,281.50
  4. Step 4: Simplify right side
    36,197.64x = 1,013,143,977.74
  5. Step 5: Solve for x
    x = 1,013,143,977.74/36,197.64
  6. Step 6: Final answer
    x = 27,989.23

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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.