Home / 36,208.97-49,965.64-20,290.34

Finding the Fourth Proportional to 36,208.97, 49,965.64 and 20,290.34

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Solution

The fourth proportional to 36,208.97, 49,965.64 and 20,290.34 is: 27,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,208.97 : 49,965.64 = 20,290.34 : x
  2. Step 2: Convert to fraction form
    36,208.97/49,965.64 = 20,290.34/x
  3. Step 3: Cross multiply
    36,208.97x = 49,965.64 × 20,290.34
  4. Step 4: Simplify right side
    36,208.97x = 1,013,819,823.92
  5. Step 5: Solve for x
    x = 1,013,819,823.92/36,208.97
  6. Step 6: Final answer
    x = 27,999.13

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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.