Home / 33,355.75-46,042.64-20,618.71

Finding the Fourth Proportional to 33,355.75, 46,042.64 and 20,618.71

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Solution

The fourth proportional to 33,355.75, 46,042.64 and 20,618.71 is: 28,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.75 : 46,042.64 = 20,618.71 : x
  2. Step 2: Convert to fraction form
    33,355.75/46,042.64 = 20,618.71/x
  3. Step 3: Cross multiply
    33,355.75x = 46,042.64 × 20,618.71
  4. Step 4: Simplify right side
    33,355.75x = 949,339,841.79
  5. Step 5: Solve for x
    x = 949,339,841.79/33,355.75
  6. Step 6: Final answer
    x = 28,461.06

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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.