Home / 57,930.21-86,746.37-40,135.52

Finding the Fourth Proportional to 57,930.21, 86,746.37 and 40,135.52

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Solution

The fourth proportional to 57,930.21, 86,746.37 and 40,135.52 is: 60,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.21 : 86,746.37 = 40,135.52 : x
  2. Step 2: Convert to fraction form
    57,930.21/86,746.37 = 40,135.52/x
  3. Step 3: Cross multiply
    57,930.21x = 86,746.37 × 40,135.52
  4. Step 4: Simplify right side
    57,930.21x = 3,481,610,668.06
  5. Step 5: Solve for x
    x = 3,481,610,668.06/57,930.21
  6. Step 6: Final answer
    x = 60,100.09

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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.