Home / 36,020.55-49,711.17-20,107.39

Finding the Fourth Proportional to 36,020.55, 49,711.17 and 20,107.39

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Solution

The fourth proportional to 36,020.55, 49,711.17 and 20,107.39 is: 27,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.55 : 49,711.17 = 20,107.39 : x
  2. Step 2: Convert to fraction form
    36,020.55/49,711.17 = 20,107.39/x
  3. Step 3: Cross multiply
    36,020.55x = 49,711.17 × 20,107.39
  4. Step 4: Simplify right side
    36,020.55x = 999,561,882.55
  5. Step 5: Solve for x
    x = 999,561,882.55/36,020.55
  6. Step 6: Final answer
    x = 27,749.77

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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.