Home / 57,231.44-85,852.92-21,217.64

Finding the Fourth Proportional to 57,231.44, 85,852.92 and 21,217.64

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Solution

The fourth proportional to 57,231.44, 85,852.92 and 21,217.64 is: 31,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.44 : 85,852.92 = 21,217.64 : x
  2. Step 2: Convert to fraction form
    57,231.44/85,852.92 = 21,217.64/x
  3. Step 3: Cross multiply
    57,231.44x = 85,852.92 × 21,217.64
  4. Step 4: Simplify right side
    57,231.44x = 1,821,596,349.51
  5. Step 5: Solve for x
    x = 1,821,596,349.51/57,231.44
  6. Step 6: Final answer
    x = 31,828.60

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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.