Home / 51,976.64-71,727.44-28,103.36

Finding the Fourth Proportional to 51,976.64, 71,727.44 and 28,103.36

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Solution

The fourth proportional to 51,976.64, 71,727.44 and 28,103.36 is: 38,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.64 : 71,727.44 = 28,103.36 : x
  2. Step 2: Convert to fraction form
    51,976.64/71,727.44 = 28,103.36/x
  3. Step 3: Cross multiply
    51,976.64x = 71,727.44 × 28,103.36
  4. Step 4: Simplify right side
    51,976.64x = 2,015,782,068.20
  5. Step 5: Solve for x
    x = 2,015,782,068.20/51,976.64
  6. Step 6: Final answer
    x = 38,782.46

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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.