Home / 36,007.65-49,717.13-21,879.45

Finding the Fourth Proportional to 36,007.65, 49,717.13 and 21,879.45

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Solution

The fourth proportional to 36,007.65, 49,717.13 and 21,879.45 is: 30,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.65 : 49,717.13 = 21,879.45 : x
  2. Step 2: Convert to fraction form
    36,007.65/49,717.13 = 21,879.45/x
  3. Step 3: Cross multiply
    36,007.65x = 49,717.13 × 21,879.45
  4. Step 4: Simplify right side
    36,007.65x = 1,087,783,350.58
  5. Step 5: Solve for x
    x = 1,087,783,350.58/36,007.65
  6. Step 6: Final answer
    x = 30,209.78

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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.