Home / 47,969.76-71,913.61-18,408.81

Finding the Fourth Proportional to 47,969.76, 71,913.61 and 18,408.81

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Solution

The fourth proportional to 47,969.76, 71,913.61 and 18,408.81 is: 27,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969.76 : 71,913.61 = 18,408.81 : x
  2. Step 2: Convert to fraction form
    47,969.76/71,913.61 = 18,408.81/x
  3. Step 3: Cross multiply
    47,969.76x = 71,913.61 × 18,408.81
  4. Step 4: Simplify right side
    47,969.76x = 1,323,843,982.90
  5. Step 5: Solve for x
    x = 1,323,843,982.90/47,969.76
  6. Step 6: Final answer
    x = 27,597.47

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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.