Home / 51,201.14-76,790.18-18,369.14

Finding the Fourth Proportional to 51,201.14, 76,790.18 and 18,369.14

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Solution

The fourth proportional to 51,201.14, 76,790.18 and 18,369.14 is: 27,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.14 : 76,790.18 = 18,369.14 : x
  2. Step 2: Convert to fraction form
    51,201.14/76,790.18 = 18,369.14/x
  3. Step 3: Cross multiply
    51,201.14x = 76,790.18 × 18,369.14
  4. Step 4: Simplify right side
    51,201.14x = 1,410,569,567.05
  5. Step 5: Solve for x
    x = 1,410,569,567.05/51,201.14
  6. Step 6: Final answer
    x = 27,549.57

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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.