Home / 57,519.16-86,277.88-18,078.64

Finding the Fourth Proportional to 57,519.16, 86,277.88 and 18,078.64

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Solution

The fourth proportional to 57,519.16, 86,277.88 and 18,078.64 is: 27,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.16 : 86,277.88 = 18,078.64 : x
  2. Step 2: Convert to fraction form
    57,519.16/86,277.88 = 18,078.64/x
  3. Step 3: Cross multiply
    57,519.16x = 86,277.88 × 18,078.64
  4. Step 4: Simplify right side
    57,519.16x = 1,559,786,732.48
  5. Step 5: Solve for x
    x = 1,559,786,732.48/57,519.16
  6. Step 6: Final answer
    x = 27,117.69

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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.