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Finding the Fourth Proportional to 36,797.70, 55,200.60 and 13,429.20

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Solution

The fourth proportional to 36,797.70, 55,200.60 and 13,429.20 is: 20,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797.70 : 55,200.60 = 13,429.20 : x
  2. Step 2: Convert to fraction form
    36,797.70/55,200.60 = 13,429.20/x
  3. Step 3: Cross multiply
    36,797.70x = 55,200.60 × 13,429.20
  4. Step 4: Simplify right side
    36,797.70x = 741,299,897.52
  5. Step 5: Solve for x
    x = 741,299,897.52/36,797.70
  6. Step 6: Final answer
    x = 20,145.28

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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.