Home / 33,618.10-50,427.15-21,808.30

Finding the Fourth Proportional to 33,618.10, 50,427.15 and 21,808.30

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Solution

The fourth proportional to 33,618.10, 50,427.15 and 21,808.30 is: 32,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618.10 : 50,427.15 = 21,808.30 : x
  2. Step 2: Convert to fraction form
    33,618.10/50,427.15 = 21,808.30/x
  3. Step 3: Cross multiply
    33,618.10x = 50,427.15 × 21,808.30
  4. Step 4: Simplify right side
    33,618.10x = 1,099,730,415.35
  5. Step 5: Solve for x
    x = 1,099,730,415.35/33,618.10
  6. Step 6: Final answer
    x = 32,712.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.