Home / 40,869.76-61,305.41-11,288.38

Finding the Fourth Proportional to 40,869.76, 61,305.41 and 11,288.38

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Solution

The fourth proportional to 40,869.76, 61,305.41 and 11,288.38 is: 16,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.76 : 61,305.41 = 11,288.38 : x
  2. Step 2: Convert to fraction form
    40,869.76/61,305.41 = 11,288.38/x
  3. Step 3: Cross multiply
    40,869.76x = 61,305.41 × 11,288.38
  4. Step 4: Simplify right side
    40,869.76x = 692,038,764.14
  5. Step 5: Solve for x
    x = 692,038,764.14/40,869.76
  6. Step 6: Final answer
    x = 16,932.78

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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.