Home / 36,453.68-50,306.09-20,538.13

Finding the Fourth Proportional to 36,453.68, 50,306.09 and 20,538.13

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Solution

The fourth proportional to 36,453.68, 50,306.09 and 20,538.13 is: 28,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.68 : 50,306.09 = 20,538.13 : x
  2. Step 2: Convert to fraction form
    36,453.68/50,306.09 = 20,538.13/x
  3. Step 3: Cross multiply
    36,453.68x = 50,306.09 × 20,538.13
  4. Step 4: Simplify right side
    36,453.68x = 1,033,193,016.21
  5. Step 5: Solve for x
    x = 1,033,193,016.21/36,453.68
  6. Step 6: Final answer
    x = 28,342.63

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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.