Home / 31,771.06-47,656.77-8,397.25

Finding the Fourth Proportional to 31,771.06, 47,656.77 and 8,397.25

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Solution

The fourth proportional to 31,771.06, 47,656.77 and 8,397.25 is: 12,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.06 : 47,656.77 = 8,397.25 : x
  2. Step 2: Convert to fraction form
    31,771.06/47,656.77 = 8,397.25/x
  3. Step 3: Cross multiply
    31,771.06x = 47,656.77 × 8,397.25
  4. Step 4: Simplify right side
    31,771.06x = 400,185,811.88
  5. Step 5: Solve for x
    x = 400,185,811.88/31,771.06
  6. Step 6: Final answer
    x = 12,595.92

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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.