Home / 47,838.60-71,749.26-18,249.84

Finding the Fourth Proportional to 47,838.60, 71,749.26 and 18,249.84

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Solution

The fourth proportional to 47,838.60, 71,749.26 and 18,249.84 is: 27,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.60 : 71,749.26 = 18,249.84 : x
  2. Step 2: Convert to fraction form
    47,838.60/71,749.26 = 18,249.84/x
  3. Step 3: Cross multiply
    47,838.60x = 71,749.26 × 18,249.84
  4. Step 4: Simplify right side
    47,838.60x = 1,309,412,515.12
  5. Step 5: Solve for x
    x = 1,309,412,515.12/47,838.60
  6. Step 6: Final answer
    x = 27,371.46

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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.