Home / 51,976.24-71,727.30-28,102.91

Finding the Fourth Proportional to 51,976.24, 71,727.30 and 28,102.91

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Solution

The fourth proportional to 51,976.24, 71,727.30 and 28,102.91 is: 38,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.24 : 71,727.30 = 28,102.91 : x
  2. Step 2: Convert to fraction form
    51,976.24/71,727.30 = 28,102.91/x
  3. Step 3: Cross multiply
    51,976.24x = 71,727.30 × 28,102.91
  4. Step 4: Simplify right side
    51,976.24x = 2,015,745,497.81
  5. Step 5: Solve for x
    x = 2,015,745,497.81/51,976.24
  6. Step 6: Final answer
    x = 38,782.06

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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.