Home / 33,175.83-45,780.80-18,831.86

Finding the Fourth Proportional to 33,175.83, 45,780.80 and 18,831.86

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Solution

The fourth proportional to 33,175.83, 45,780.80 and 18,831.86 is: 25,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,175.83 : 45,780.80 = 18,831.86 : x
  2. Step 2: Convert to fraction form
    33,175.83/45,780.80 = 18,831.86/x
  3. Step 3: Cross multiply
    33,175.83x = 45,780.80 × 18,831.86
  4. Step 4: Simplify right side
    33,175.83x = 862,137,293.22
  5. Step 5: Solve for x
    x = 862,137,293.22/33,175.83
  6. Step 6: Final answer
    x = 25,986.91

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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.