Home / 40,910.70-61,330.05-27,720.30

Finding the Fourth Proportional to 40,910.70, 61,330.05 and 27,720.30

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Solution

The fourth proportional to 40,910.70, 61,330.05 and 27,720.30 is: 41,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.70 : 61,330.05 = 27,720.30 : x
  2. Step 2: Convert to fraction form
    40,910.70/61,330.05 = 27,720.30/x
  3. Step 3: Cross multiply
    40,910.70x = 61,330.05 × 27,720.30
  4. Step 4: Simplify right side
    40,910.70x = 1,700,087,385.02
  5. Step 5: Solve for x
    x = 1,700,087,385.02/40,910.70
  6. Step 6: Final answer
    x = 41,556.06

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1.5x scale

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.