Home / 49,510.80-68,318.61-28,291.44

Finding the Fourth Proportional to 49,510.80, 68,318.61 and 28,291.44

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Solution

The fourth proportional to 49,510.80, 68,318.61 and 28,291.44 is: 39,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,510.80 : 68,318.61 = 28,291.44 : x
  2. Step 2: Convert to fraction form
    49,510.80/68,318.61 = 28,291.44/x
  3. Step 3: Cross multiply
    49,510.80x = 68,318.61 × 28,291.44
  4. Step 4: Simplify right side
    49,510.80x = 1,932,831,855.70
  5. Step 5: Solve for x
    x = 1,932,831,855.70/49,510.80
  6. Step 6: Final answer
    x = 39,038.59

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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.