Home / 49,887.94-74,831.70-12,447.97

Finding the Fourth Proportional to 49,887.94, 74,831.70 and 12,447.97

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Solution

The fourth proportional to 49,887.94, 74,831.70 and 12,447.97 is: 18,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.94 : 74,831.70 = 12,447.97 : x
  2. Step 2: Convert to fraction form
    49,887.94/74,831.70 = 12,447.97/x
  3. Step 3: Cross multiply
    49,887.94x = 74,831.70 × 12,447.97
  4. Step 4: Simplify right side
    49,887.94x = 931,502,756.65
  5. Step 5: Solve for x
    x = 931,502,756.65/49,887.94
  6. Step 6: Final answer
    x = 18,671.90

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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.