Home / 39,587.58-54,625.78-31,541.64

Finding the Fourth Proportional to 39,587.58, 54,625.78 and 31,541.64

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Solution

The fourth proportional to 39,587.58, 54,625.78 and 31,541.64 is: 43,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.58 : 54,625.78 = 31,541.64 : x
  2. Step 2: Convert to fraction form
    39,587.58/54,625.78 = 31,541.64/x
  3. Step 3: Cross multiply
    39,587.58x = 54,625.78 × 31,541.64
  4. Step 4: Simplify right side
    39,587.58x = 1,722,986,687.48
  5. Step 5: Solve for x
    x = 1,722,986,687.48/39,587.58
  6. Step 6: Final answer
    x = 43,523.42

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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.