Home / 36,856.18-55,240.53-21,241.54

Finding the Fourth Proportional to 36,856.18, 55,240.53 and 21,241.54

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Solution

The fourth proportional to 36,856.18, 55,240.53 and 21,241.54 is: 31,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.18 : 55,240.53 = 21,241.54 : x
  2. Step 2: Convert to fraction form
    36,856.18/55,240.53 = 21,241.54/x
  3. Step 3: Cross multiply
    36,856.18x = 55,240.53 × 21,241.54
  4. Step 4: Simplify right side
    36,856.18x = 1,173,393,927.62
  5. Step 5: Solve for x
    x = 1,173,393,927.62/36,856.18
  6. Step 6: Final answer
    x = 31,837.10

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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.