Home / 31,961.09-47,941.61-8,587.52

Finding the Fourth Proportional to 31,961.09, 47,941.61 and 8,587.52

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Solution

The fourth proportional to 31,961.09, 47,941.61 and 8,587.52 is: 12,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.09 : 47,941.61 = 8,587.52 : x
  2. Step 2: Convert to fraction form
    31,961.09/47,941.61 = 8,587.52/x
  3. Step 3: Cross multiply
    31,961.09x = 47,941.61 × 8,587.52
  4. Step 4: Simplify right side
    31,961.09x = 411,699,252.06
  5. Step 5: Solve for x
    x = 411,699,252.06/31,961.09
  6. Step 6: Final answer
    x = 12,881.27

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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.