Home / 43,168.72-64,752.24-19,463.20

Finding the Fourth Proportional to 43,168.72, 64,752.24 and 19,463.20

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Solution

The fourth proportional to 43,168.72, 64,752.24 and 19,463.20 is: 29,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.72 : 64,752.24 = 19,463.20 : x
  2. Step 2: Convert to fraction form
    43,168.72/64,752.24 = 19,463.20/x
  3. Step 3: Cross multiply
    43,168.72x = 64,752.24 × 19,463.20
  4. Step 4: Simplify right side
    43,168.72x = 1,260,285,797.57
  5. Step 5: Solve for x
    x = 1,260,285,797.57/43,168.72
  6. Step 6: Final answer
    x = 29,194.42

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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.