Home / 49,724.25-74,586.57-20,142.64

Finding the Fourth Proportional to 49,724.25, 74,586.57 and 20,142.64

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Solution

The fourth proportional to 49,724.25, 74,586.57 and 20,142.64 is: 30,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,724.25 : 74,586.57 = 20,142.64 : x
  2. Step 2: Convert to fraction form
    49,724.25/74,586.57 = 20,142.64/x
  3. Step 3: Cross multiply
    49,724.25x = 74,586.57 × 20,142.64
  4. Step 4: Simplify right side
    49,724.25x = 1,502,370,559.35
  5. Step 5: Solve for x
    x = 1,502,370,559.35/49,724.25
  6. Step 6: Final answer
    x = 30,214.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.