Home / 56,766.89-78,376.04-35,288.73

Finding the Fourth Proportional to 56,766.89, 78,376.04 and 35,288.73

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Solution

The fourth proportional to 56,766.89, 78,376.04 and 35,288.73 is: 48,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.89 : 78,376.04 = 35,288.73 : x
  2. Step 2: Convert to fraction form
    56,766.89/78,376.04 = 35,288.73/x
  3. Step 3: Cross multiply
    56,766.89x = 78,376.04 × 35,288.73
  4. Step 4: Simplify right side
    56,766.89x = 2,765,790,688.14
  5. Step 5: Solve for x
    x = 2,765,790,688.14/56,766.89
  6. Step 6: Final answer
    x = 48,721.90

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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.