Home / 72,224.46-108,338.94-19,635.12

Finding the Fourth Proportional to 72,224.46, 108,338.94 and 19,635.12

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Solution

The fourth proportional to 72,224.46, 108,338.94 and 19,635.12 is: 29,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224.46 : 108,338.94 = 19,635.12 : x
  2. Step 2: Convert to fraction form
    72,224.46/108,338.94 = 19,635.12/x
  3. Step 3: Cross multiply
    72,224.46x = 108,338.94 × 19,635.12
  4. Step 4: Simplify right side
    72,224.46x = 2,127,248,087.57
  5. Step 5: Solve for x
    x = 2,127,248,087.57/72,224.46
  6. Step 6: Final answer
    x = 29,453.29

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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.