Home / 39,659.28-59,472-20,927.52

Finding the Fourth Proportional to 39,659.28, 59,472 and 20,927.52

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Solution

The fourth proportional to 39,659.28, 59,472 and 20,927.52 is: 31,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.28 : 59,472 = 20,927.52 : x
  2. Step 2: Convert to fraction form
    39,659.28/59,472 = 20,927.52/x
  3. Step 3: Cross multiply
    39,659.28x = 59,472 × 20,927.52
  4. Step 4: Simplify right side
    39,659.28x = 1,244,601,469.44
  5. Step 5: Solve for x
    x = 1,244,601,469.44/39,659.28
  6. Step 6: Final answer
    x = 31,382.35

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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.