Home / 40,690.82-61,017.10-15,742.62

Finding the Fourth Proportional to 40,690.82, 61,017.10 and 15,742.62

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Solution

The fourth proportional to 40,690.82, 61,017.10 and 15,742.62 is: 23,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.82 : 61,017.10 = 15,742.62 : x
  2. Step 2: Convert to fraction form
    40,690.82/61,017.10 = 15,742.62/x
  3. Step 3: Cross multiply
    40,690.82x = 61,017.10 × 15,742.62
  4. Step 4: Simplify right side
    40,690.82x = 960,568,979.45
  5. Step 5: Solve for x
    x = 960,568,979.45/40,690.82
  6. Step 6: Final answer
    x = 23,606.53

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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.