Home / 36,036.27-49,732.50-20,120.38

Finding the Fourth Proportional to 36,036.27, 49,732.50 and 20,120.38

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Solution

The fourth proportional to 36,036.27, 49,732.50 and 20,120.38 is: 27,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.27 : 49,732.50 = 20,120.38 : x
  2. Step 2: Convert to fraction form
    36,036.27/49,732.50 = 20,120.38/x
  3. Step 3: Cross multiply
    36,036.27x = 49,732.50 × 20,120.38
  4. Step 4: Simplify right side
    36,036.27x = 1,000,636,798.35
  5. Step 5: Solve for x
    x = 1,000,636,798.35/36,036.27
  6. Step 6: Final answer
    x = 27,767.49

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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.