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Finding the Fourth Proportional to 36,363.16, 54,544.98 and 11,739.16

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Solution

The fourth proportional to 36,363.16, 54,544.98 and 11,739.16 is: 17,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,363.16 : 54,544.98 = 11,739.16 : x
  2. Step 2: Convert to fraction form
    36,363.16/54,544.98 = 11,739.16/x
  3. Step 3: Cross multiply
    36,363.16x = 54,544.98 × 11,739.16
  4. Step 4: Simplify right side
    36,363.16x = 640,312,247.42
  5. Step 5: Solve for x
    x = 640,312,247.42/36,363.16
  6. Step 6: Final answer
    x = 17,608.82

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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.