Home / 49,392.18-68,161.32-28,170.90

Finding the Fourth Proportional to 49,392.18, 68,161.32 and 28,170.90

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Solution

The fourth proportional to 49,392.18, 68,161.32 and 28,170.90 is: 38,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392.18 : 68,161.32 = 28,170.90 : x
  2. Step 2: Convert to fraction form
    49,392.18/68,161.32 = 28,170.90/x
  3. Step 3: Cross multiply
    49,392.18x = 68,161.32 × 28,170.90
  4. Step 4: Simplify right side
    49,392.18x = 1,920,165,729.59
  5. Step 5: Solve for x
    x = 1,920,165,729.59/49,392.18
  6. Step 6: Final answer
    x = 38,875.91

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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.