Home / 49,949.50-68,932.29-28,728.74

Finding the Fourth Proportional to 49,949.50, 68,932.29 and 28,728.74

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Solution

The fourth proportional to 49,949.50, 68,932.29 and 28,728.74 is: 39,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,949.50 : 68,932.29 = 28,728.74 : x
  2. Step 2: Convert to fraction form
    49,949.50/68,932.29 = 28,728.74/x
  3. Step 3: Cross multiply
    49,949.50x = 68,932.29 × 28,728.74
  4. Step 4: Simplify right side
    49,949.50x = 1,980,337,837.01
  5. Step 5: Solve for x
    x = 1,980,337,837.01/49,949.50
  6. Step 6: Final answer
    x = 39,646.80

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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.