Home / 39,952.72-59,932.44-13,659.28

Finding the Fourth Proportional to 39,952.72, 59,932.44 and 13,659.28

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Solution

The fourth proportional to 39,952.72, 59,932.44 and 13,659.28 is: 20,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.72 : 59,932.44 = 13,659.28 : x
  2. Step 2: Convert to fraction form
    39,952.72/59,932.44 = 13,659.28/x
  3. Step 3: Cross multiply
    39,952.72x = 59,932.44 × 13,659.28
  4. Step 4: Simplify right side
    39,952.72x = 818,633,979.04
  5. Step 5: Solve for x
    x = 818,633,979.04/39,952.72
  6. Step 6: Final answer
    x = 20,490.07

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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.