Home / 49,642.70-68,508.45-28,428.80

Finding the Fourth Proportional to 49,642.70, 68,508.45 and 28,428.80

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Solution

The fourth proportional to 49,642.70, 68,508.45 and 28,428.80 is: 39,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.70 : 68,508.45 = 28,428.80 : x
  2. Step 2: Convert to fraction form
    49,642.70/68,508.45 = 28,428.80/x
  3. Step 3: Cross multiply
    49,642.70x = 68,508.45 × 28,428.80
  4. Step 4: Simplify right side
    49,642.70x = 1,947,612,680.82
  5. Step 5: Solve for x
    x = 1,947,612,680.82/49,642.70
  6. Step 6: Final answer
    x = 39,232.61

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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.