Home / 57,016.24-78,599.64-39,967.36

Finding the Fourth Proportional to 57,016.24, 78,599.64 and 39,967.36

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Solution

The fourth proportional to 57,016.24, 78,599.64 and 39,967.36 is: 55,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.24 : 78,599.64 = 39,967.36 : x
  2. Step 2: Convert to fraction form
    57,016.24/78,599.64 = 39,967.36/x
  3. Step 3: Cross multiply
    57,016.24x = 78,599.64 × 39,967.36
  4. Step 4: Simplify right side
    57,016.24x = 3,141,420,107.75
  5. Step 5: Solve for x
    x = 3,141,420,107.75/57,016.24
  6. Step 6: Final answer
    x = 55,096.94

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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.