Home / 72,216.46-108,324.38-19,625.79

Finding the Fourth Proportional to 72,216.46, 108,324.38 and 19,625.79

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Solution

The fourth proportional to 72,216.46, 108,324.38 and 19,625.79 is: 29,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,216.46 : 108,324.38 = 19,625.79 : x
  2. Step 2: Convert to fraction form
    72,216.46/108,324.38 = 19,625.79/x
  3. Step 3: Cross multiply
    72,216.46x = 108,324.38 × 19,625.79
  4. Step 4: Simplify right side
    72,216.46x = 2,125,951,533.76
  5. Step 5: Solve for x
    x = 2,125,951,533.76/72,216.46
  6. Step 6: Final answer
    x = 29,438.60

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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.