Home / 49,808.85-68,728.32-28,000.82

Finding the Fourth Proportional to 49,808.85, 68,728.32 and 28,000.82

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Solution

The fourth proportional to 49,808.85, 68,728.32 and 28,000.82 is: 38,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.85 : 68,728.32 = 28,000.82 : x
  2. Step 2: Convert to fraction form
    49,808.85/68,728.32 = 28,000.82/x
  3. Step 3: Cross multiply
    49,808.85x = 68,728.32 × 28,000.82
  4. Step 4: Simplify right side
    49,808.85x = 1,924,449,317.22
  5. Step 5: Solve for x
    x = 1,924,449,317.22/49,808.85
  6. Step 6: Final answer
    x = 38,636.69

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1.5x scale

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.