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Finding the Fourth Proportional to 36,603, 54,871.92 and 13,224.24

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Solution

The fourth proportional to 36,603, 54,871.92 and 13,224.24 is: 19,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603 : 54,871.92 = 13,224.24 : x
  2. Step 2: Convert to fraction form
    36,603/54,871.92 = 13,224.24/x
  3. Step 3: Cross multiply
    36,603x = 54,871.92 × 13,224.24
  4. Step 4: Simplify right side
    36,603x = 725,639,439.34
  5. Step 5: Solve for x
    x = 725,639,439.34/36,603
  6. Step 6: Final answer
    x = 19,824.59

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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.