Home / 49,764.09-68,673.75-28,253.64

Finding the Fourth Proportional to 49,764.09, 68,673.75 and 28,253.64

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Solution

The fourth proportional to 49,764.09, 68,673.75 and 28,253.64 is: 38,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.09 : 68,673.75 = 28,253.64 : x
  2. Step 2: Convert to fraction form
    49,764.09/68,673.75 = 28,253.64/x
  3. Step 3: Cross multiply
    49,764.09x = 68,673.75 × 28,253.64
  4. Step 4: Simplify right side
    49,764.09x = 1,940,283,409.95
  5. Step 5: Solve for x
    x = 1,940,283,409.95/49,764.09
  6. Step 6: Final answer
    x = 38,989.63

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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.