Home / 36,317.28-50,122.89-20,402.94

Finding the Fourth Proportional to 36,317.28, 50,122.89 and 20,402.94

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Solution

The fourth proportional to 36,317.28, 50,122.89 and 20,402.94 is: 28,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.28 : 50,122.89 = 20,402.94 : x
  2. Step 2: Convert to fraction form
    36,317.28/50,122.89 = 20,402.94/x
  3. Step 3: Cross multiply
    36,317.28x = 50,122.89 × 20,402.94
  4. Step 4: Simplify right side
    36,317.28x = 1,022,654,317.30
  5. Step 5: Solve for x
    x = 1,022,654,317.30/36,317.28
  6. Step 6: Final answer
    x = 28,158.89

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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.