Home / 39,658.43-54,737.44-31,027.59

Finding the Fourth Proportional to 39,658.43, 54,737.44 and 31,027.59

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Solution

The fourth proportional to 39,658.43, 54,737.44 and 31,027.59 is: 42,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.43 : 54,737.44 = 31,027.59 : x
  2. Step 2: Convert to fraction form
    39,658.43/54,737.44 = 31,027.59/x
  3. Step 3: Cross multiply
    39,658.43x = 54,737.44 × 31,027.59
  4. Step 4: Simplify right side
    39,658.43x = 1,698,370,768.40
  5. Step 5: Solve for x
    x = 1,698,370,768.40/39,658.43
  6. Step 6: Final answer
    x = 42,824.96

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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.