Home / 36,680.49-55,020.76-20,031.42

Finding the Fourth Proportional to 36,680.49, 55,020.76 and 20,031.42

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Solution

The fourth proportional to 36,680.49, 55,020.76 and 20,031.42 is: 30,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.49 : 55,020.76 = 20,031.42 : x
  2. Step 2: Convert to fraction form
    36,680.49/55,020.76 = 20,031.42/x
  3. Step 3: Cross multiply
    36,680.49x = 55,020.76 × 20,031.42
  4. Step 4: Simplify right side
    36,680.49x = 1,102,144,183.65
  5. Step 5: Solve for x
    x = 1,102,144,183.65/36,680.49
  6. Step 6: Final answer
    x = 30,047.15

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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.