Home / 40,747.46-61,141.94-19,705.51

Finding the Fourth Proportional to 40,747.46, 61,141.94 and 19,705.51

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Solution

The fourth proportional to 40,747.46, 61,141.94 and 19,705.51 is: 29,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747.46 : 61,141.94 = 19,705.51 : x
  2. Step 2: Convert to fraction form
    40,747.46/61,141.94 = 19,705.51/x
  3. Step 3: Cross multiply
    40,747.46x = 61,141.94 × 19,705.51
  4. Step 4: Simplify right side
    40,747.46x = 1,204,833,161.88
  5. Step 5: Solve for x
    x = 1,204,833,161.88/40,747.46
  6. Step 6: Final answer
    x = 29,568.30

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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.