Home / 36,099.15-49,796.83-20,990.14

Finding the Fourth Proportional to 36,099.15, 49,796.83 and 20,990.14

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Solution

The fourth proportional to 36,099.15, 49,796.83 and 20,990.14 is: 28,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.15 : 49,796.83 = 20,990.14 : x
  2. Step 2: Convert to fraction form
    36,099.15/49,796.83 = 20,990.14/x
  3. Step 3: Cross multiply
    36,099.15x = 49,796.83 × 20,990.14
  4. Step 4: Simplify right side
    36,099.15x = 1,045,242,433.26
  5. Step 5: Solve for x
    x = 1,045,242,433.26/36,099.15
  6. Step 6: Final answer
    x = 28,954.77

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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.