Home / 40,820.70-61,227.45-11,235.90

Finding the Fourth Proportional to 40,820.70, 61,227.45 and 11,235.90

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Solution

The fourth proportional to 40,820.70, 61,227.45 and 11,235.90 is: 16,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.70 : 61,227.45 = 11,235.90 : x
  2. Step 2: Convert to fraction form
    40,820.70/61,227.45 = 11,235.90/x
  3. Step 3: Cross multiply
    40,820.70x = 61,227.45 × 11,235.90
  4. Step 4: Simplify right side
    40,820.70x = 687,945,505.46
  5. Step 5: Solve for x
    x = 687,945,505.46/40,820.70
  6. Step 6: Final answer
    x = 16,852.86

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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.