Home / 39,676.48-54,750.72-29,110.72

Finding the Fourth Proportional to 39,676.48, 54,750.72 and 29,110.72

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Solution

The fourth proportional to 39,676.48, 54,750.72 and 29,110.72 is: 40,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,676.48 : 54,750.72 = 29,110.72 : x
  2. Step 2: Convert to fraction form
    39,676.48/54,750.72 = 29,110.72/x
  3. Step 3: Cross multiply
    39,676.48x = 54,750.72 × 29,110.72
  4. Step 4: Simplify right side
    39,676.48x = 1,593,832,879.72
  5. Step 5: Solve for x
    x = 1,593,832,879.72/39,676.48
  6. Step 6: Final answer
    x = 40,170.72

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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.