Home / 39,932.79-59,892.84-13,276.56

Finding the Fourth Proportional to 39,932.79, 59,892.84 and 13,276.56

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Solution

The fourth proportional to 39,932.79, 59,892.84 and 13,276.56 is: 19,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.79 : 59,892.84 = 13,276.56 : x
  2. Step 2: Convert to fraction form
    39,932.79/59,892.84 = 13,276.56/x
  3. Step 3: Cross multiply
    39,932.79x = 59,892.84 × 13,276.56
  4. Step 4: Simplify right side
    39,932.79x = 795,171,058.64
  5. Step 5: Solve for x
    x = 795,171,058.64/39,932.79
  6. Step 6: Final answer
    x = 19,912.73

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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.