Home / 72,226.94-108,340.07-19,636.29

Finding the Fourth Proportional to 72,226.94, 108,340.07 and 19,636.29

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Solution

The fourth proportional to 72,226.94, 108,340.07 and 19,636.29 is: 29,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.94 : 108,340.07 = 19,636.29 : x
  2. Step 2: Convert to fraction form
    72,226.94/108,340.07 = 19,636.29/x
  3. Step 3: Cross multiply
    72,226.94x = 108,340.07 × 19,636.29
  4. Step 4: Simplify right side
    72,226.94x = 2,127,396,934.96
  5. Step 5: Solve for x
    x = 2,127,396,934.96/72,226.94
  6. Step 6: Final answer
    x = 29,454.34

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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.