Home / 39,833.56-54,934.86-31,435.48

Finding the Fourth Proportional to 39,833.56, 54,934.86 and 31,435.48

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Solution

The fourth proportional to 39,833.56, 54,934.86 and 31,435.48 is: 43,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,833.56 : 54,934.86 = 31,435.48 : x
  2. Step 2: Convert to fraction form
    39,833.56/54,934.86 = 31,435.48/x
  3. Step 3: Cross multiply
    39,833.56x = 54,934.86 × 31,435.48
  4. Step 4: Simplify right side
    39,833.56x = 1,726,903,692.83
  5. Step 5: Solve for x
    x = 1,726,903,692.83/39,833.56
  6. Step 6: Final answer
    x = 43,352.98

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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.