Home / 47,773.72-65,917.02-28,910.44

Finding the Fourth Proportional to 47,773.72, 65,917.02 and 28,910.44

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Solution

The fourth proportional to 47,773.72, 65,917.02 and 28,910.44 is: 39,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,773.72 : 65,917.02 = 28,910.44 : x
  2. Step 2: Convert to fraction form
    47,773.72/65,917.02 = 28,910.44/x
  3. Step 3: Cross multiply
    47,773.72x = 65,917.02 × 28,910.44
  4. Step 4: Simplify right side
    47,773.72x = 1,905,690,051.69
  5. Step 5: Solve for x
    x = 1,905,690,051.69/47,773.72
  6. Step 6: Final answer
    x = 39,889.92

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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.