Home / 33,639.44-46,420.20-19,489.76

Finding the Fourth Proportional to 33,639.44, 46,420.20 and 19,489.76

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Solution

The fourth proportional to 33,639.44, 46,420.20 and 19,489.76 is: 26,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.44 : 46,420.20 = 19,489.76 : x
  2. Step 2: Convert to fraction form
    33,639.44/46,420.20 = 19,489.76/x
  3. Step 3: Cross multiply
    33,639.44x = 46,420.20 × 19,489.76
  4. Step 4: Simplify right side
    33,639.44x = 904,718,557.15
  5. Step 5: Solve for x
    x = 904,718,557.15/33,639.44
  6. Step 6: Final answer
    x = 26,894.58

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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.