Home / 36,316.72-50,119.76-20,402.11

Finding the Fourth Proportional to 36,316.72, 50,119.76 and 20,402.11

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Solution

The fourth proportional to 36,316.72, 50,119.76 and 20,402.11 is: 28,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.72 : 50,119.76 = 20,402.11 : x
  2. Step 2: Convert to fraction form
    36,316.72/50,119.76 = 20,402.11/x
  3. Step 3: Cross multiply
    36,316.72x = 50,119.76 × 20,402.11
  4. Step 4: Simplify right side
    36,316.72x = 1,022,548,504.08
  5. Step 5: Solve for x
    x = 1,022,548,504.08/36,316.72
  6. Step 6: Final answer
    x = 28,156.42

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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.