Home / 57,450.40-86,175.60-18,007.48

Finding the Fourth Proportional to 57,450.40, 86,175.60 and 18,007.48

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Solution

The fourth proportional to 57,450.40, 86,175.60 and 18,007.48 is: 27,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,450.40 : 86,175.60 = 18,007.48 : x
  2. Step 2: Convert to fraction form
    57,450.40/86,175.60 = 18,007.48/x
  3. Step 3: Cross multiply
    57,450.40x = 86,175.60 × 18,007.48
  4. Step 4: Simplify right side
    57,450.40x = 1,551,805,393.49
  5. Step 5: Solve for x
    x = 1,551,805,393.49/57,450.40
  6. Step 6: Final answer
    x = 27,011.22

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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.