Home / 49,831.75-74,778.76-20,249.58

Finding the Fourth Proportional to 49,831.75, 74,778.76 and 20,249.58

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Solution

The fourth proportional to 49,831.75, 74,778.76 and 20,249.58 is: 30,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.75 : 74,778.76 = 20,249.58 : x
  2. Step 2: Convert to fraction form
    49,831.75/74,778.76 = 20,249.58/x
  3. Step 3: Cross multiply
    49,831.75x = 74,778.76 × 20,249.58
  4. Step 4: Simplify right side
    49,831.75x = 1,514,238,007.78
  5. Step 5: Solve for x
    x = 1,514,238,007.78/49,831.75
  6. Step 6: Final answer
    x = 30,387.01

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1.5x scale

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.