Home / 39,671.90-54,747.22-22,676.51

Finding the Fourth Proportional to 39,671.90, 54,747.22 and 22,676.51

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Solution

The fourth proportional to 39,671.90, 54,747.22 and 22,676.51 is: 31,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.90 : 54,747.22 = 22,676.51 : x
  2. Step 2: Convert to fraction form
    39,671.90/54,747.22 = 22,676.51/x
  3. Step 3: Cross multiply
    39,671.90x = 54,747.22 × 22,676.51
  4. Step 4: Simplify right side
    39,671.90x = 1,241,475,494.68
  5. Step 5: Solve for x
    x = 1,241,475,494.68/39,671.90
  6. Step 6: Final answer
    x = 31,293.57

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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.