Home / 43,074.02-64,552.30-20,843.04

Finding the Fourth Proportional to 43,074.02, 64,552.30 and 20,843.04

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Solution

The fourth proportional to 43,074.02, 64,552.30 and 20,843.04 is: 31,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.02 : 64,552.30 = 20,843.04 : x
  2. Step 2: Convert to fraction form
    43,074.02/64,552.30 = 20,843.04/x
  3. Step 3: Cross multiply
    43,074.02x = 64,552.30 × 20,843.04
  4. Step 4: Simplify right side
    43,074.02x = 1,345,466,170.99
  5. Step 5: Solve for x
    x = 1,345,466,170.99/43,074.02
  6. Step 6: Final answer
    x = 31,236.14

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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.