Home / 45,101.37-67,656.03-11,821.32

Finding the Fourth Proportional to 45,101.37, 67,656.03 and 11,821.32

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Solution

The fourth proportional to 45,101.37, 67,656.03 and 11,821.32 is: 17,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.37 : 67,656.03 = 11,821.32 : x
  2. Step 2: Convert to fraction form
    45,101.37/67,656.03 = 11,821.32/x
  3. Step 3: Cross multiply
    45,101.37x = 67,656.03 × 11,821.32
  4. Step 4: Simplify right side
    45,101.37x = 799,783,580.56
  5. Step 5: Solve for x
    x = 799,783,580.56/45,101.37
  6. Step 6: Final answer
    x = 17,733.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.