Home / 36,237.38-50,008.98-21,139.78

Finding the Fourth Proportional to 36,237.38, 50,008.98 and 21,139.78

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Solution

The fourth proportional to 36,237.38, 50,008.98 and 21,139.78 is: 29,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,237.38 : 50,008.98 = 21,139.78 : x
  2. Step 2: Convert to fraction form
    36,237.38/50,008.98 = 21,139.78/x
  3. Step 3: Cross multiply
    36,237.38x = 50,008.98 × 21,139.78
  4. Step 4: Simplify right side
    36,237.38x = 1,057,178,835.22
  5. Step 5: Solve for x
    x = 1,057,178,835.22/36,237.38
  6. Step 6: Final answer
    x = 29,173.71

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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.