Home / 57,495.31-86,140.36-31,183.27

Finding the Fourth Proportional to 57,495.31, 86,140.36 and 31,183.27

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Solution

The fourth proportional to 57,495.31, 86,140.36 and 31,183.27 is: 46,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.31 : 86,140.36 = 31,183.27 : x
  2. Step 2: Convert to fraction form
    57,495.31/86,140.36 = 31,183.27/x
  3. Step 3: Cross multiply
    57,495.31x = 86,140.36 × 31,183.27
  4. Step 4: Simplify right side
    57,495.31x = 2,686,138,103.78
  5. Step 5: Solve for x
    x = 2,686,138,103.78/57,495.31
  6. Step 6: Final answer
    x = 46,719.26

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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.