Home / 36,753.12-50,719.20-19,986

Finding the Fourth Proportional to 36,753.12, 50,719.20 and 19,986

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Solution

The fourth proportional to 36,753.12, 50,719.20 and 19,986 is: 27,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.12 : 50,719.20 = 19,986 : x
  2. Step 2: Convert to fraction form
    36,753.12/50,719.20 = 19,986/x
  3. Step 3: Cross multiply
    36,753.12x = 50,719.20 × 19,986
  4. Step 4: Simplify right side
    36,753.12x = 1,013,673,931.20
  5. Step 5: Solve for x
    x = 1,013,673,931.20/36,753.12
  6. Step 6: Final answer
    x = 27,580.62

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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.