Home / 39,768.58-54,881.84-22,778.31

Finding the Fourth Proportional to 39,768.58, 54,881.84 and 22,778.31

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Solution

The fourth proportional to 39,768.58, 54,881.84 and 22,778.31 is: 31,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.58 : 54,881.84 = 22,778.31 : x
  2. Step 2: Convert to fraction form
    39,768.58/54,881.84 = 22,778.31/x
  3. Step 3: Cross multiply
    39,768.58x = 54,881.84 × 22,778.31
  4. Step 4: Simplify right side
    39,768.58x = 1,250,115,176.59
  5. Step 5: Solve for x
    x = 1,250,115,176.59/39,768.58
  6. Step 6: Final answer
    x = 31,434.75

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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.