Home / 36,134.49-49,868.32-20,218.60

Finding the Fourth Proportional to 36,134.49, 49,868.32 and 20,218.60

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Solution

The fourth proportional to 36,134.49, 49,868.32 and 20,218.60 is: 27,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.49 : 49,868.32 = 20,218.60 : x
  2. Step 2: Convert to fraction form
    36,134.49/49,868.32 = 20,218.60/x
  3. Step 3: Cross multiply
    36,134.49x = 49,868.32 × 20,218.60
  4. Step 4: Simplify right side
    36,134.49x = 1,008,267,614.75
  5. Step 5: Solve for x
    x = 1,008,267,614.75/36,134.49
  6. Step 6: Final answer
    x = 27,903.19

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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.