Home / 57,171.52-78,823.68-36,992.80

Finding the Fourth Proportional to 57,171.52, 78,823.68 and 36,992.80

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Solution

The fourth proportional to 57,171.52, 78,823.68 and 36,992.80 is: 51,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.52 : 78,823.68 = 36,992.80 : x
  2. Step 2: Convert to fraction form
    57,171.52/78,823.68 = 36,992.80/x
  3. Step 3: Cross multiply
    57,171.52x = 78,823.68 × 36,992.80
  4. Step 4: Simplify right side
    57,171.52x = 2,915,908,629.50
  5. Step 5: Solve for x
    x = 2,915,908,629.50/57,171.52
  6. Step 6: Final answer
    x = 51,002.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.