Home / 36,538.29-50,421.57-20,406.43

Finding the Fourth Proportional to 36,538.29, 50,421.57 and 20,406.43

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Solution

The fourth proportional to 36,538.29, 50,421.57 and 20,406.43 is: 28,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.29 : 50,421.57 = 20,406.43 : x
  2. Step 2: Convert to fraction form
    36,538.29/50,421.57 = 20,406.43/x
  3. Step 3: Cross multiply
    36,538.29x = 50,421.57 × 20,406.43
  4. Step 4: Simplify right side
    36,538.29x = 1,028,923,986.59
  5. Step 5: Solve for x
    x = 1,028,923,986.59/36,538.29
  6. Step 6: Final answer
    x = 28,160.16

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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.