Home / 56,149.82-84,268.74-39,172.42

Finding the Fourth Proportional to 56,149.82, 84,268.74 and 39,172.42

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Solution

The fourth proportional to 56,149.82, 84,268.74 and 39,172.42 is: 58,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.82 : 84,268.74 = 39,172.42 : x
  2. Step 2: Convert to fraction form
    56,149.82/84,268.74 = 39,172.42/x
  3. Step 3: Cross multiply
    56,149.82x = 84,268.74 × 39,172.42
  4. Step 4: Simplify right side
    56,149.82x = 3,301,010,363.41
  5. Step 5: Solve for x
    x = 3,301,010,363.41/56,149.82
  6. Step 6: Final answer
    x = 58,789.34

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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.