Home / 36,885.66-50,900.31-20,115.42

Finding the Fourth Proportional to 36,885.66, 50,900.31 and 20,115.42

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Solution

The fourth proportional to 36,885.66, 50,900.31 and 20,115.42 is: 27,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.66 : 50,900.31 = 20,115.42 : x
  2. Step 2: Convert to fraction form
    36,885.66/50,900.31 = 20,115.42/x
  3. Step 3: Cross multiply
    36,885.66x = 50,900.31 × 20,115.42
  4. Step 4: Simplify right side
    36,885.66x = 1,023,881,113.78
  5. Step 5: Solve for x
    x = 1,023,881,113.78/36,885.66
  6. Step 6: Final answer
    x = 27,758.24

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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.