Home / 57,468.79-86,175.42-20,027.98

Finding the Fourth Proportional to 57,468.79, 86,175.42 and 20,027.98

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Solution

The fourth proportional to 57,468.79, 86,175.42 and 20,027.98 is: 30,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468.79 : 86,175.42 = 20,027.98 : x
  2. Step 2: Convert to fraction form
    57,468.79/86,175.42 = 20,027.98/x
  3. Step 3: Cross multiply
    57,468.79x = 86,175.42 × 20,027.98
  4. Step 4: Simplify right side
    57,468.79x = 1,725,919,588.25
  5. Step 5: Solve for x
    x = 1,725,919,588.25/57,468.79
  6. Step 6: Final answer
    x = 30,032.29

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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.