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Finding the Fourth Proportional to 36,014.01, 49,699.47 and 20,099.13

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Solution

The fourth proportional to 36,014.01, 49,699.47 and 20,099.13 is: 27,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,014.01 : 49,699.47 = 20,099.13 : x
  2. Step 2: Convert to fraction form
    36,014.01/49,699.47 = 20,099.13/x
  3. Step 3: Cross multiply
    36,014.01x = 49,699.47 × 20,099.13
  4. Step 4: Simplify right side
    36,014.01x = 998,916,108.46
  5. Step 5: Solve for x
    x = 998,916,108.46/36,014.01
  6. Step 6: Final answer
    x = 27,736.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.