Home / 48,778.65-67,314.51-28,635.53

Finding the Fourth Proportional to 48,778.65, 67,314.51 and 28,635.53

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Solution

The fourth proportional to 48,778.65, 67,314.51 and 28,635.53 is: 39,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.65 : 67,314.51 = 28,635.53 : x
  2. Step 2: Convert to fraction form
    48,778.65/67,314.51 = 28,635.53/x
  3. Step 3: Cross multiply
    48,778.65x = 67,314.51 × 28,635.53
  4. Step 4: Simplify right side
    48,778.65x = 1,927,586,333.97
  5. Step 5: Solve for x
    x = 1,927,586,333.97/48,778.65
  6. Step 6: Final answer
    x = 39,517.01

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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.