Home / 57,406.46-86,104.22-19,965.02

Finding the Fourth Proportional to 57,406.46, 86,104.22 and 19,965.02

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Solution

The fourth proportional to 57,406.46, 86,104.22 and 19,965.02 is: 29,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,406.46 : 86,104.22 = 19,965.02 : x
  2. Step 2: Convert to fraction form
    57,406.46/86,104.22 = 19,965.02/x
  3. Step 3: Cross multiply
    57,406.46x = 86,104.22 × 19,965.02
  4. Step 4: Simplify right side
    57,406.46x = 1,719,071,944.04
  5. Step 5: Solve for x
    x = 1,719,071,944.04/57,406.46
  6. Step 6: Final answer
    x = 29,945.62

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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.