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Finding the Fourth Proportional to 36,200.92, 54,309.88 and 11,239.68

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Solution

The fourth proportional to 36,200.92, 54,309.88 and 11,239.68 is: 16,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.92 : 54,309.88 = 11,239.68 : x
  2. Step 2: Convert to fraction form
    36,200.92/54,309.88 = 11,239.68/x
  3. Step 3: Cross multiply
    36,200.92x = 54,309.88 × 11,239.68
  4. Step 4: Simplify right side
    36,200.92x = 610,425,672.04
  5. Step 5: Solve for x
    x = 610,425,672.04/36,200.92
  6. Step 6: Final answer
    x = 16,862.16

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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.