Home / 31,957.14-48,108.31-28,742.26

Finding the Fourth Proportional to 31,957.14, 48,108.31 and 28,742.26

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Solution

The fourth proportional to 31,957.14, 48,108.31 and 28,742.26 is: 43,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.14 : 48,108.31 = 28,742.26 : x
  2. Step 2: Convert to fraction form
    31,957.14/48,108.31 = 28,742.26/x
  3. Step 3: Cross multiply
    31,957.14x = 48,108.31 × 28,742.26
  4. Step 4: Simplify right side
    31,957.14x = 1,382,741,554.18
  5. Step 5: Solve for x
    x = 1,382,741,554.18/31,957.14
  6. Step 6: Final answer
    x = 43,268.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.