Home / 56,767.89-78,377.42-35,289.73

Finding the Fourth Proportional to 56,767.89, 78,377.42 and 35,289.73

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Solution

The fourth proportional to 56,767.89, 78,377.42 and 35,289.73 is: 48,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.89 : 78,377.42 = 35,289.73 : x
  2. Step 2: Convert to fraction form
    56,767.89/78,377.42 = 35,289.73/x
  3. Step 3: Cross multiply
    56,767.89x = 78,377.42 × 35,289.73
  4. Step 4: Simplify right side
    56,767.89x = 2,765,917,989.90
  5. Step 5: Solve for x
    x = 2,765,917,989.90/56,767.89
  6. Step 6: Final answer
    x = 48,723.28

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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.