Home / 49,761.92-68,678.08-28,543.36

Finding the Fourth Proportional to 49,761.92, 68,678.08 and 28,543.36

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Solution

The fourth proportional to 49,761.92, 68,678.08 and 28,543.36 is: 39,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.92 : 68,678.08 = 28,543.36 : x
  2. Step 2: Convert to fraction form
    49,761.92/68,678.08 = 28,543.36/x
  3. Step 3: Cross multiply
    49,761.92x = 68,678.08 × 28,543.36
  4. Step 4: Simplify right side
    49,761.92x = 1,960,303,161.55
  5. Step 5: Solve for x
    x = 1,960,303,161.55/49,761.92
  6. Step 6: Final answer
    x = 39,393.64

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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.