Home / 49,129.80-73,632.97-21,016.77

Finding the Fourth Proportional to 49,129.80, 73,632.97 and 21,016.77

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Solution

The fourth proportional to 49,129.80, 73,632.97 and 21,016.77 is: 31,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.80 : 73,632.97 = 21,016.77 : x
  2. Step 2: Convert to fraction form
    49,129.80/73,632.97 = 21,016.77/x
  3. Step 3: Cross multiply
    49,129.80x = 73,632.97 × 21,016.77
  4. Step 4: Simplify right side
    49,129.80x = 1,547,527,194.91
  5. Step 5: Solve for x
    x = 1,547,527,194.91/49,129.80
  6. Step 6: Final answer
    x = 31,498.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.