Home / 40,730.58-61,016.33-19,352.87

Finding the Fourth Proportional to 40,730.58, 61,016.33 and 19,352.87

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Solution

The fourth proportional to 40,730.58, 61,016.33 and 19,352.87 is: 28,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.58 : 61,016.33 = 19,352.87 : x
  2. Step 2: Convert to fraction form
    40,730.58/61,016.33 = 19,352.87/x
  3. Step 3: Cross multiply
    40,730.58x = 61,016.33 × 19,352.87
  4. Step 4: Simplify right side
    40,730.58x = 1,180,841,105.85
  5. Step 5: Solve for x
    x = 1,180,841,105.85/40,730.58
  6. Step 6: Final answer
    x = 28,991.51

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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.