Home / 39,889.80-59,831.94-22,128.84

Finding the Fourth Proportional to 39,889.80, 59,831.94 and 22,128.84

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Solution

The fourth proportional to 39,889.80, 59,831.94 and 22,128.84 is: 33,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.80 : 59,831.94 = 22,128.84 : x
  2. Step 2: Convert to fraction form
    39,889.80/59,831.94 = 22,128.84/x
  3. Step 3: Cross multiply
    39,889.80x = 59,831.94 × 22,128.84
  4. Step 4: Simplify right side
    39,889.80x = 1,324,011,427.15
  5. Step 5: Solve for x
    x = 1,324,011,427.15/39,889.80
  6. Step 6: Final answer
    x = 33,191.73

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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.