Home / 56,910.86-85,358.21-31,273.15

Finding the Fourth Proportional to 56,910.86, 85,358.21 and 31,273.15

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Solution

The fourth proportional to 56,910.86, 85,358.21 and 31,273.15 is: 46,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.86 : 85,358.21 = 31,273.15 : x
  2. Step 2: Convert to fraction form
    56,910.86/85,358.21 = 31,273.15/x
  3. Step 3: Cross multiply
    56,910.86x = 85,358.21 × 31,273.15
  4. Step 4: Simplify right side
    56,910.86x = 2,669,419,521.90
  5. Step 5: Solve for x
    x = 2,669,419,521.90/56,910.86
  6. Step 6: Final answer
    x = 46,905.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.