Home / 36,133.92-49,864.80-20,218.38

Finding the Fourth Proportional to 36,133.92, 49,864.80 and 20,218.38

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Solution

The fourth proportional to 36,133.92, 49,864.80 and 20,218.38 is: 27,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.92 : 49,864.80 = 20,218.38 : x
  2. Step 2: Convert to fraction form
    36,133.92/49,864.80 = 20,218.38/x
  3. Step 3: Cross multiply
    36,133.92x = 49,864.80 × 20,218.38
  4. Step 4: Simplify right side
    36,133.92x = 1,008,185,475.02
  5. Step 5: Solve for x
    x = 1,008,185,475.02/36,133.92
  6. Step 6: Final answer
    x = 27,901.36

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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.