Home / 33,211.13-45,831.35-20,635.88

Finding the Fourth Proportional to 33,211.13, 45,831.35 and 20,635.88

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Solution

The fourth proportional to 33,211.13, 45,831.35 and 20,635.88 is: 28,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.13 : 45,831.35 = 20,635.88 : x
  2. Step 2: Convert to fraction form
    33,211.13/45,831.35 = 20,635.88/x
  3. Step 3: Cross multiply
    33,211.13x = 45,831.35 × 20,635.88
  4. Step 4: Simplify right side
    33,211.13x = 945,770,061.27
  5. Step 5: Solve for x
    x = 945,770,061.27/33,211.13
  6. Step 6: Final answer
    x = 28,477.51

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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.