Home / 36,123.06-49,849.80-20,207.85

Finding the Fourth Proportional to 36,123.06, 49,849.80 and 20,207.85

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Solution

The fourth proportional to 36,123.06, 49,849.80 and 20,207.85 is: 27,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.06 : 49,849.80 = 20,207.85 : x
  2. Step 2: Convert to fraction form
    36,123.06/49,849.80 = 20,207.85/x
  3. Step 3: Cross multiply
    36,123.06x = 49,849.80 × 20,207.85
  4. Step 4: Simplify right side
    36,123.06x = 1,007,357,018.21
  5. Step 5: Solve for x
    x = 1,007,357,018.21/36,123.06
  6. Step 6: Final answer
    x = 27,886.81

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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.