Home / 72,215.02-108,324.75-19,625.62

Finding the Fourth Proportional to 72,215.02, 108,324.75 and 19,625.62

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Solution

The fourth proportional to 72,215.02, 108,324.75 and 19,625.62 is: 29,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215.02 : 108,324.75 = 19,625.62 : x
  2. Step 2: Convert to fraction form
    72,215.02/108,324.75 = 19,625.62/x
  3. Step 3: Cross multiply
    72,215.02x = 108,324.75 × 19,625.62
  4. Step 4: Simplify right side
    72,215.02x = 2,125,940,380.10
  5. Step 5: Solve for x
    x = 2,125,940,380.10/72,215.02
  6. Step 6: Final answer
    x = 29,439.03

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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.