Home / 57,412.26-86,118.39-31,283.06

Finding the Fourth Proportional to 57,412.26, 86,118.39 and 31,283.06

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Solution

The fourth proportional to 57,412.26, 86,118.39 and 31,283.06 is: 46,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,412.26 : 86,118.39 = 31,283.06 : x
  2. Step 2: Convert to fraction form
    57,412.26/86,118.39 = 31,283.06/x
  3. Step 3: Cross multiply
    57,412.26x = 86,118.39 × 31,283.06
  4. Step 4: Simplify right side
    57,412.26x = 2,694,046,330.88
  5. Step 5: Solve for x
    x = 2,694,046,330.88/57,412.26
  6. Step 6: Final answer
    x = 46,924.58

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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.