Home / 57,448.56-86,170.32-20,016.96

Finding the Fourth Proportional to 57,448.56, 86,170.32 and 20,016.96

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Solution

The fourth proportional to 57,448.56, 86,170.32 and 20,016.96 is: 30,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448.56 : 86,170.32 = 20,016.96 : x
  2. Step 2: Convert to fraction form
    57,448.56/86,170.32 = 20,016.96/x
  3. Step 3: Cross multiply
    57,448.56x = 86,170.32 × 20,016.96
  4. Step 4: Simplify right side
    57,448.56x = 1,724,867,848.63
  5. Step 5: Solve for x
    x = 1,724,867,848.63/57,448.56
  6. Step 6: Final answer
    x = 30,024.56

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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.