Home / 71,831.94-107,711.01-38,579.98

Finding the Fourth Proportional to 71,831.94, 107,711.01 and 38,579.98

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Solution

The fourth proportional to 71,831.94, 107,711.01 and 38,579.98 is: 57,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,831.94 : 107,711.01 = 38,579.98 : x
  2. Step 2: Convert to fraction form
    71,831.94/107,711.01 = 38,579.98/x
  3. Step 3: Cross multiply
    71,831.94x = 107,711.01 × 38,579.98
  4. Step 4: Simplify right side
    71,831.94x = 4,155,488,611.58
  5. Step 5: Solve for x
    x = 4,155,488,611.58/71,831.94
  6. Step 6: Final answer
    x = 57,850.15

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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.