Home / 49,788.81-68,641.38-48,240.90

Finding the Fourth Proportional to 49,788.81, 68,641.38 and 48,240.90

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Solution

The fourth proportional to 49,788.81, 68,641.38 and 48,240.90 is: 66,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,788.81 : 68,641.38 = 48,240.90 : x
  2. Step 2: Convert to fraction form
    49,788.81/68,641.38 = 48,240.90/x
  3. Step 3: Cross multiply
    49,788.81x = 68,641.38 × 48,240.90
  4. Step 4: Simplify right side
    49,788.81x = 3,311,321,948.44
  5. Step 5: Solve for x
    x = 3,311,321,948.44/49,788.81
  6. Step 6: Final answer
    x = 66,507.35

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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.