Home / 33,862.42-46,753.23-21,120.58

Finding the Fourth Proportional to 33,862.42, 46,753.23 and 21,120.58

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Solution

The fourth proportional to 33,862.42, 46,753.23 and 21,120.58 is: 29,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,862.42 : 46,753.23 = 21,120.58 : x
  2. Step 2: Convert to fraction form
    33,862.42/46,753.23 = 21,120.58/x
  3. Step 3: Cross multiply
    33,862.42x = 46,753.23 × 21,120.58
  4. Step 4: Simplify right side
    33,862.42x = 987,455,334.47
  5. Step 5: Solve for x
    x = 987,455,334.47/33,862.42
  6. Step 6: Final answer
    x = 29,160.80

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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.