Home / 51,831.96-77,698.68-20,262.27

Finding the Fourth Proportional to 51,831.96, 77,698.68 and 20,262.27

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Solution

The fourth proportional to 51,831.96, 77,698.68 and 20,262.27 is: 30,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.96 : 77,698.68 = 20,262.27 : x
  2. Step 2: Convert to fraction form
    51,831.96/77,698.68 = 20,262.27/x
  3. Step 3: Cross multiply
    51,831.96x = 77,698.68 × 20,262.27
  4. Step 4: Simplify right side
    51,831.96x = 1,574,351,632.80
  5. Step 5: Solve for x
    x = 1,574,351,632.80/51,831.96
  6. Step 6: Final answer
    x = 30,374.15

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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.