Home / 43,214-64,831.94-12,049.25

Finding the Fourth Proportional to 43,214, 64,831.94 and 12,049.25

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Solution

The fourth proportional to 43,214, 64,831.94 and 12,049.25 is: 18,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214 : 64,831.94 = 12,049.25 : x
  2. Step 2: Convert to fraction form
    43,214/64,831.94 = 12,049.25/x
  3. Step 3: Cross multiply
    43,214x = 64,831.94 × 12,049.25
  4. Step 4: Simplify right side
    43,214x = 781,176,192.80
  5. Step 5: Solve for x
    x = 781,176,192.80/43,214
  6. Step 6: Final answer
    x = 18,076.92

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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.