Home / 36,123.51-49,849.69-20,208.09

Finding the Fourth Proportional to 36,123.51, 49,849.69 and 20,208.09

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Solution

The fourth proportional to 36,123.51, 49,849.69 and 20,208.09 is: 27,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.51 : 49,849.69 = 20,208.09 : x
  2. Step 2: Convert to fraction form
    36,123.51/49,849.69 = 20,208.09/x
  3. Step 3: Cross multiply
    36,123.51x = 49,849.69 × 20,208.09
  4. Step 4: Simplify right side
    36,123.51x = 1,007,367,021.99
  5. Step 5: Solve for x
    x = 1,007,367,021.99/36,123.51
  6. Step 6: Final answer
    x = 27,886.74

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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.