Home / 36,386.21-50,212.38-20,470.55

Finding the Fourth Proportional to 36,386.21, 50,212.38 and 20,470.55

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Solution

The fourth proportional to 36,386.21, 50,212.38 and 20,470.55 is: 28,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.21 : 50,212.38 = 20,470.55 : x
  2. Step 2: Convert to fraction form
    36,386.21/50,212.38 = 20,470.55/x
  3. Step 3: Cross multiply
    36,386.21x = 50,212.38 × 20,470.55
  4. Step 4: Simplify right side
    36,386.21x = 1,027,874,944.76
  5. Step 5: Solve for x
    x = 1,027,874,944.76/36,386.21
  6. Step 6: Final answer
    x = 28,249.02

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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.