Home / 36,090.09-49,799.97-19,955.21

Finding the Fourth Proportional to 36,090.09, 49,799.97 and 19,955.21

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Solution

The fourth proportional to 36,090.09, 49,799.97 and 19,955.21 is: 27,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.09 : 49,799.97 = 19,955.21 : x
  2. Step 2: Convert to fraction form
    36,090.09/49,799.97 = 19,955.21/x
  3. Step 3: Cross multiply
    36,090.09x = 49,799.97 × 19,955.21
  4. Step 4: Simplify right side
    36,090.09x = 993,768,610.34
  5. Step 5: Solve for x
    x = 993,768,610.34/36,090.09
  6. Step 6: Final answer
    x = 27,535.78

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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.