Home / 36,681.91-50,621.70-20,549.09

Finding the Fourth Proportional to 36,681.91, 50,621.70 and 20,549.09

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Solution

The fourth proportional to 36,681.91, 50,621.70 and 20,549.09 is: 28,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.91 : 50,621.70 = 20,549.09 : x
  2. Step 2: Convert to fraction form
    36,681.91/50,621.70 = 20,549.09/x
  3. Step 3: Cross multiply
    36,681.91x = 50,621.70 × 20,549.09
  4. Step 4: Simplify right side
    36,681.91x = 1,040,229,738.08
  5. Step 5: Solve for x
    x = 1,040,229,738.08/36,681.91
  6. Step 6: Final answer
    x = 28,358.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.