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Finding the Fourth Proportional to 36,892.66, 55,350.66 and 13,199.69

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Solution

The fourth proportional to 36,892.66, 55,350.66 and 13,199.69 is: 19,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.66 : 55,350.66 = 13,199.69 : x
  2. Step 2: Convert to fraction form
    36,892.66/55,350.66 = 13,199.69/x
  3. Step 3: Cross multiply
    36,892.66x = 55,350.66 × 13,199.69
  4. Step 4: Simplify right side
    36,892.66x = 730,611,276.54
  5. Step 5: Solve for x
    x = 730,611,276.54/36,892.66
  6. Step 6: Final answer
    x = 19,803.70

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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.