Home / 57,154.33-78,872.96-31,662.34

Finding the Fourth Proportional to 57,154.33, 78,872.96 and 31,662.34

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Solution

The fourth proportional to 57,154.33, 78,872.96 and 31,662.34 is: 43,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154.33 : 78,872.96 = 31,662.34 : x
  2. Step 2: Convert to fraction form
    57,154.33/78,872.96 = 31,662.34/x
  3. Step 3: Cross multiply
    57,154.33x = 78,872.96 × 31,662.34
  4. Step 4: Simplify right side
    57,154.33x = 2,497,302,476.33
  5. Step 5: Solve for x
    x = 2,497,302,476.33/57,154.33
  6. Step 6: Final answer
    x = 43,694.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.