Home / 45,690.87-68,536.31-30,104.85

Finding the Fourth Proportional to 45,690.87, 68,536.31 and 30,104.85

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Solution

The fourth proportional to 45,690.87, 68,536.31 and 30,104.85 is: 45,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.87 : 68,536.31 = 30,104.85 : x
  2. Step 2: Convert to fraction form
    45,690.87/68,536.31 = 30,104.85/x
  3. Step 3: Cross multiply
    45,690.87x = 68,536.31 × 30,104.85
  4. Step 4: Simplify right side
    45,690.87x = 2,063,275,332.10
  5. Step 5: Solve for x
    x = 2,063,275,332.10/45,690.87
  6. Step 6: Final answer
    x = 45,157.28

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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.