Home / 40,754.21-61,040.99-31,324.79

Finding the Fourth Proportional to 40,754.21, 61,040.99 and 31,324.79

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Solution

The fourth proportional to 40,754.21, 61,040.99 and 31,324.79 is: 46,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.21 : 61,040.99 = 31,324.79 : x
  2. Step 2: Convert to fraction form
    40,754.21/61,040.99 = 31,324.79/x
  3. Step 3: Cross multiply
    40,754.21x = 61,040.99 × 31,324.79
  4. Step 4: Simplify right side
    40,754.21x = 1,912,096,424.06
  5. Step 5: Solve for x
    x = 1,912,096,424.06/40,754.21
  6. Step 6: Final answer
    x = 46,917.77

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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.