Home / 49,649.24-68,515.62-28,428.50

Finding the Fourth Proportional to 49,649.24, 68,515.62 and 28,428.50

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Solution

The fourth proportional to 49,649.24, 68,515.62 and 28,428.50 is: 39,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.24 : 68,515.62 = 28,428.50 : x
  2. Step 2: Convert to fraction form
    49,649.24/68,515.62 = 28,428.50/x
  3. Step 3: Cross multiply
    49,649.24x = 68,515.62 × 28,428.50
  4. Step 4: Simplify right side
    49,649.24x = 1,947,795,960.59
  5. Step 5: Solve for x
    x = 1,947,795,960.59/49,649.24
  6. Step 6: Final answer
    x = 39,231.14

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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.