Home / 36,291.56-50,078.49-20,377.76

Finding the Fourth Proportional to 36,291.56, 50,078.49 and 20,377.76

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Solution

The fourth proportional to 36,291.56, 50,078.49 and 20,377.76 is: 28,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.56 : 50,078.49 = 20,377.76 : x
  2. Step 2: Convert to fraction form
    36,291.56/50,078.49 = 20,377.76/x
  3. Step 3: Cross multiply
    36,291.56x = 50,078.49 × 20,377.76
  4. Step 4: Simplify right side
    36,291.56x = 1,020,487,450.38
  5. Step 5: Solve for x
    x = 1,020,487,450.38/36,291.56
  6. Step 6: Final answer
    x = 28,119.14

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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.