Home / 57,624.90-86,443.11-20,680.26

Finding the Fourth Proportional to 57,624.90, 86,443.11 and 20,680.26

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Solution

The fourth proportional to 57,624.90, 86,443.11 and 20,680.26 is: 31,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,624.90 : 86,443.11 = 20,680.26 : x
  2. Step 2: Convert to fraction form
    57,624.90/86,443.11 = 20,680.26/x
  3. Step 3: Cross multiply
    57,624.90x = 86,443.11 × 20,680.26
  4. Step 4: Simplify right side
    57,624.90x = 1,787,665,990.01
  5. Step 5: Solve for x
    x = 1,787,665,990.01/57,624.90
  6. Step 6: Final answer
    x = 31,022.46

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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.