Home / 36,438.88-54,663.72-11,481.16

Finding the Fourth Proportional to 36,438.88, 54,663.72 and 11,481.16

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Solution

The fourth proportional to 36,438.88, 54,663.72 and 11,481.16 is: 17,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.88 : 54,663.72 = 11,481.16 : x
  2. Step 2: Convert to fraction form
    36,438.88/54,663.72 = 11,481.16/x
  3. Step 3: Cross multiply
    36,438.88x = 54,663.72 × 11,481.16
  4. Step 4: Simplify right side
    36,438.88x = 627,602,915.52
  5. Step 5: Solve for x
    x = 627,602,915.52/36,438.88
  6. Step 6: Final answer
    x = 17,223.44

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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.