Home / 33,781.86-46,618.46-20,360.52

Finding the Fourth Proportional to 33,781.86, 46,618.46 and 20,360.52

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Solution

The fourth proportional to 33,781.86, 46,618.46 and 20,360.52 is: 28,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.86 : 46,618.46 = 20,360.52 : x
  2. Step 2: Convert to fraction form
    33,781.86/46,618.46 = 20,360.52/x
  3. Step 3: Cross multiply
    33,781.86x = 46,618.46 × 20,360.52
  4. Step 4: Simplify right side
    33,781.86x = 949,176,053.46
  5. Step 5: Solve for x
    x = 949,176,053.46/33,781.86
  6. Step 6: Final answer
    x = 28,097.21

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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.