Home / 33,211.09-45,831.36-18,103.87

Finding the Fourth Proportional to 33,211.09, 45,831.36 and 18,103.87

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Solution

The fourth proportional to 33,211.09, 45,831.36 and 18,103.87 is: 24,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.09 : 45,831.36 = 18,103.87 : x
  2. Step 2: Convert to fraction form
    33,211.09/45,831.36 = 18,103.87/x
  3. Step 3: Cross multiply
    33,211.09x = 45,831.36 × 18,103.87
  4. Step 4: Simplify right side
    33,211.09x = 829,724,983.36
  5. Step 5: Solve for x
    x = 829,724,983.36/33,211.09
  6. Step 6: Final answer
    x = 24,983.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.