Home / 51,383.03-70,917.60-29,879.43

Finding the Fourth Proportional to 51,383.03, 70,917.60 and 29,879.43

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Solution

The fourth proportional to 51,383.03, 70,917.60 and 29,879.43 is: 41,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.03 : 70,917.60 = 29,879.43 : x
  2. Step 2: Convert to fraction form
    51,383.03/70,917.60 = 29,879.43/x
  3. Step 3: Cross multiply
    51,383.03x = 70,917.60 × 29,879.43
  4. Step 4: Simplify right side
    51,383.03x = 2,118,977,110.38
  5. Step 5: Solve for x
    x = 2,118,977,110.38/51,383.03
  6. Step 6: Final answer
    x = 41,238.85

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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.