Home / 36,393.92-50,223.51-20,478.39

Finding the Fourth Proportional to 36,393.92, 50,223.51 and 20,478.39

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Solution

The fourth proportional to 36,393.92, 50,223.51 and 20,478.39 is: 28,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.92 : 50,223.51 = 20,478.39 : x
  2. Step 2: Convert to fraction form
    36,393.92/50,223.51 = 20,478.39/x
  3. Step 3: Cross multiply
    36,393.92x = 50,223.51 × 20,478.39
  4. Step 4: Simplify right side
    36,393.92x = 1,028,496,624.95
  5. Step 5: Solve for x
    x = 1,028,496,624.95/36,393.92
  6. Step 6: Final answer
    x = 28,260.13

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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.