Home / 40,102.50-55,353.77-23,118.09

Finding the Fourth Proportional to 40,102.50, 55,353.77 and 23,118.09

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Solution

The fourth proportional to 40,102.50, 55,353.77 and 23,118.09 is: 31,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.50 : 55,353.77 = 23,118.09 : x
  2. Step 2: Convert to fraction form
    40,102.50/55,353.77 = 23,118.09/x
  3. Step 3: Cross multiply
    40,102.50x = 55,353.77 × 23,118.09
  4. Step 4: Simplify right side
    40,102.50x = 1,279,673,321.11
  5. Step 5: Solve for x
    x = 1,279,673,321.11/40,102.50
  6. Step 6: Final answer
    x = 31,910.06

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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.