Home / 49,869.39-68,809.67-31,727.32

Finding the Fourth Proportional to 49,869.39, 68,809.67 and 31,727.32

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Solution

The fourth proportional to 49,869.39, 68,809.67 and 31,727.32 is: 43,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.39 : 68,809.67 = 31,727.32 : x
  2. Step 2: Convert to fraction form
    49,869.39/68,809.67 = 31,727.32/x
  3. Step 3: Cross multiply
    49,869.39x = 68,809.67 × 31,727.32
  4. Step 4: Simplify right side
    49,869.39x = 2,183,146,326.48
  5. Step 5: Solve for x
    x = 2,183,146,326.48/49,869.39
  6. Step 6: Final answer
    x = 43,777.28

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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.