Home / 49,659.94-74,489.73-20,077.42

Finding the Fourth Proportional to 49,659.94, 74,489.73 and 20,077.42

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Solution

The fourth proportional to 49,659.94, 74,489.73 and 20,077.42 is: 30,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,659.94 : 74,489.73 = 20,077.42 : x
  2. Step 2: Convert to fraction form
    49,659.94/74,489.73 = 20,077.42/x
  3. Step 3: Cross multiply
    49,659.94x = 74,489.73 × 20,077.42
  4. Step 4: Simplify right side
    49,659.94x = 1,495,561,594.90
  5. Step 5: Solve for x
    x = 1,495,561,594.90/49,659.94
  6. Step 6: Final answer
    x = 30,116.06

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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.