Home / 39,691.56-54,777.20-26,239.44

Finding the Fourth Proportional to 39,691.56, 54,777.20 and 26,239.44

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Solution

The fourth proportional to 39,691.56, 54,777.20 and 26,239.44 is: 36,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.56 : 54,777.20 = 26,239.44 : x
  2. Step 2: Convert to fraction form
    39,691.56/54,777.20 = 26,239.44/x
  3. Step 3: Cross multiply
    39,691.56x = 54,777.20 × 26,239.44
  4. Step 4: Simplify right side
    39,691.56x = 1,437,323,052.77
  5. Step 5: Solve for x
    x = 1,437,323,052.77/39,691.56
  6. Step 6: Final answer
    x = 36,212.31

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1.5x scale

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.