Home / 33,820.10-46,690.52-20,394.75

Finding the Fourth Proportional to 33,820.10, 46,690.52 and 20,394.75

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Solution

The fourth proportional to 33,820.10, 46,690.52 and 20,394.75 is: 28,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.10 : 46,690.52 = 20,394.75 : x
  2. Step 2: Convert to fraction form
    33,820.10/46,690.52 = 20,394.75/x
  3. Step 3: Cross multiply
    33,820.10x = 46,690.52 × 20,394.75
  4. Step 4: Simplify right side
    33,820.10x = 952,241,380.80
  5. Step 5: Solve for x
    x = 952,241,380.80/33,820.10
  6. Step 6: Final answer
    x = 28,156.08

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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.