Home / 49,479.20-68,280-26,817.20

Finding the Fourth Proportional to 49,479.20, 68,280 and 26,817.20

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Solution

The fourth proportional to 49,479.20, 68,280 and 26,817.20 is: 37,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.20 : 68,280 = 26,817.20 : x
  2. Step 2: Convert to fraction form
    49,479.20/68,280 = 26,817.20/x
  3. Step 3: Cross multiply
    49,479.20x = 68,280 × 26,817.20
  4. Step 4: Simplify right side
    49,479.20x = 1,831,078,416
  5. Step 5: Solve for x
    x = 1,831,078,416/49,479.20
  6. Step 6: Final answer
    x = 37,007.03

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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.