Home / 36,386.70-54,561.60-18,614.64

Finding the Fourth Proportional to 36,386.70, 54,561.60 and 18,614.64

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Solution

The fourth proportional to 36,386.70, 54,561.60 and 18,614.64 is: 27,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.70 : 54,561.60 = 18,614.64 : x
  2. Step 2: Convert to fraction form
    36,386.70/54,561.60 = 18,614.64/x
  3. Step 3: Cross multiply
    36,386.70x = 54,561.60 × 18,614.64
  4. Step 4: Simplify right side
    36,386.70x = 1,015,644,541.82
  5. Step 5: Solve for x
    x = 1,015,644,541.82/36,386.70
  6. Step 6: Final answer
    x = 27,912.52

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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.