Home / 40,514.57-60,690.44-20,190

Finding the Fourth Proportional to 40,514.57, 60,690.44 and 20,190

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Solution

The fourth proportional to 40,514.57, 60,690.44 and 20,190 is: 30,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,514.57 : 60,690.44 = 20,190 : x
  2. Step 2: Convert to fraction form
    40,514.57/60,690.44 = 20,190/x
  3. Step 3: Cross multiply
    40,514.57x = 60,690.44 × 20,190
  4. Step 4: Simplify right side
    40,514.57x = 1,225,339,882.65
  5. Step 5: Solve for x
    x = 1,225,339,882.65/40,514.57
  6. Step 6: Final answer
    x = 30,244.43

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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.