Home / 36,885.12-50,901.36-20,118

Finding the Fourth Proportional to 36,885.12, 50,901.36 and 20,118

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Solution

The fourth proportional to 36,885.12, 50,901.36 and 20,118 is: 27,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.12 : 50,901.36 = 20,118 : x
  2. Step 2: Convert to fraction form
    36,885.12/50,901.36 = 20,118/x
  3. Step 3: Cross multiply
    36,885.12x = 50,901.36 × 20,118
  4. Step 4: Simplify right side
    36,885.12x = 1,024,033,560.48
  5. Step 5: Solve for x
    x = 1,024,033,560.48/36,885.12
  6. Step 6: Final answer
    x = 27,762.78

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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.