Home / 36,321.16-50,117.74-20,402.56

Finding the Fourth Proportional to 36,321.16, 50,117.74 and 20,402.56

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Solution

The fourth proportional to 36,321.16, 50,117.74 and 20,402.56 is: 28,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.16 : 50,117.74 = 20,402.56 : x
  2. Step 2: Convert to fraction form
    36,321.16/50,117.74 = 20,402.56/x
  3. Step 3: Cross multiply
    36,321.16x = 50,117.74 × 20,402.56
  4. Step 4: Simplify right side
    36,321.16x = 1,022,530,197.41
  5. Step 5: Solve for x
    x = 1,022,530,197.41/36,321.16
  6. Step 6: Final answer
    x = 28,152.47

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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.