Home / 43,179.10-64,777.46-18,219.15

Finding the Fourth Proportional to 43,179.10, 64,777.46 and 18,219.15

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Solution

The fourth proportional to 43,179.10, 64,777.46 and 18,219.15 is: 27,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,179.10 : 64,777.46 = 18,219.15 : x
  2. Step 2: Convert to fraction form
    43,179.10/64,777.46 = 18,219.15/x
  3. Step 3: Cross multiply
    43,179.10x = 64,777.46 × 18,219.15
  4. Step 4: Simplify right side
    43,179.10x = 1,180,190,169.26
  5. Step 5: Solve for x
    x = 1,180,190,169.26/43,179.10
  6. Step 6: Final answer
    x = 27,332.44

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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.