Home / 49,739.88-74,602.44-18,142.52

Finding the Fourth Proportional to 49,739.88, 74,602.44 and 18,142.52

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Solution

The fourth proportional to 49,739.88, 74,602.44 and 18,142.52 is: 27,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.88 : 74,602.44 = 18,142.52 : x
  2. Step 2: Convert to fraction form
    49,739.88/74,602.44 = 18,142.52/x
  3. Step 3: Cross multiply
    49,739.88x = 74,602.44 × 18,142.52
  4. Step 4: Simplify right side
    49,739.88x = 1,353,476,259.75
  5. Step 5: Solve for x
    x = 1,353,476,259.75/49,739.88
  6. Step 6: Final answer
    x = 27,211.09

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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.