Home / 36,036.11-49,732.05-20,120.56

Finding the Fourth Proportional to 36,036.11, 49,732.05 and 20,120.56

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Solution

The fourth proportional to 36,036.11, 49,732.05 and 20,120.56 is: 27,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.11 : 49,732.05 = 20,120.56 : x
  2. Step 2: Convert to fraction form
    36,036.11/49,732.05 = 20,120.56/x
  3. Step 3: Cross multiply
    36,036.11x = 49,732.05 × 20,120.56
  4. Step 4: Simplify right side
    36,036.11x = 1,000,636,595.35
  5. Step 5: Solve for x
    x = 1,000,636,595.35/36,036.11
  6. Step 6: Final answer
    x = 27,767.61

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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.