Home / 49,772.72-68,683.56-28,550

Finding the Fourth Proportional to 49,772.72, 68,683.56 and 28,550

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Solution

The fourth proportional to 49,772.72, 68,683.56 and 28,550 is: 39,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.72 : 68,683.56 = 28,550 : x
  2. Step 2: Convert to fraction form
    49,772.72/68,683.56 = 28,550/x
  3. Step 3: Cross multiply
    49,772.72x = 68,683.56 × 28,550
  4. Step 4: Simplify right side
    49,772.72x = 1,960,915,638
  5. Step 5: Solve for x
    x = 1,960,915,638/49,772.72
  6. Step 6: Final answer
    x = 39,397.40

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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.