Home / 36,340.83-50,147.85-20,427.68

Finding the Fourth Proportional to 36,340.83, 50,147.85 and 20,427.68

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Solution

The fourth proportional to 36,340.83, 50,147.85 and 20,427.68 is: 28,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,340.83 : 50,147.85 = 20,427.68 : x
  2. Step 2: Convert to fraction form
    36,340.83/50,147.85 = 20,427.68/x
  3. Step 3: Cross multiply
    36,340.83x = 50,147.85 × 20,427.68
  4. Step 4: Simplify right side
    36,340.83x = 1,024,403,981.75
  5. Step 5: Solve for x
    x = 1,024,403,981.75/36,340.83
  6. Step 6: Final answer
    x = 28,188.79

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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.