Home / 36,538.78-50,422.26-20,406.93

Finding the Fourth Proportional to 36,538.78, 50,422.26 and 20,406.93

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Solution

The fourth proportional to 36,538.78, 50,422.26 and 20,406.93 is: 28,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.78 : 50,422.26 = 20,406.93 : x
  2. Step 2: Convert to fraction form
    36,538.78/50,422.26 = 20,406.93/x
  3. Step 3: Cross multiply
    36,538.78x = 50,422.26 × 20,406.93
  4. Step 4: Simplify right side
    36,538.78x = 1,028,963,530.26
  5. Step 5: Solve for x
    x = 1,028,963,530.26/36,538.78
  6. Step 6: Final answer
    x = 28,160.86

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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.