Home / 57,518.12-86,277.24-18,078.68

Finding the Fourth Proportional to 57,518.12, 86,277.24 and 18,078.68

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Solution

The fourth proportional to 57,518.12, 86,277.24 and 18,078.68 is: 27,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,518.12 : 86,277.24 = 18,078.68 : x
  2. Step 2: Convert to fraction form
    57,518.12/86,277.24 = 18,078.68/x
  3. Step 3: Cross multiply
    57,518.12x = 86,277.24 × 18,078.68
  4. Step 4: Simplify right side
    57,518.12x = 1,559,778,613.24
  5. Step 5: Solve for x
    x = 1,559,778,613.24/57,518.12
  6. Step 6: Final answer
    x = 27,118.04

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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.