Home / 33,821.10-46,673.56-21,079.44

Finding the Fourth Proportional to 33,821.10, 46,673.56 and 21,079.44

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Solution

The fourth proportional to 33,821.10, 46,673.56 and 21,079.44 is: 29,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.10 : 46,673.56 = 21,079.44 : x
  2. Step 2: Convert to fraction form
    33,821.10/46,673.56 = 21,079.44/x
  3. Step 3: Cross multiply
    33,821.10x = 46,673.56 × 21,079.44
  4. Step 4: Simplify right side
    33,821.10x = 983,852,507.61
  5. Step 5: Solve for x
    x = 983,852,507.61/33,821.10
  6. Step 6: Final answer
    x = 29,089.90

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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.