Home / 31,893.10-47,839.65-11,111.74

Finding the Fourth Proportional to 31,893.10, 47,839.65 and 11,111.74

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Solution

The fourth proportional to 31,893.10, 47,839.65 and 11,111.74 is: 16,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.10 : 47,839.65 = 11,111.74 : x
  2. Step 2: Convert to fraction form
    31,893.10/47,839.65 = 11,111.74/x
  3. Step 3: Cross multiply
    31,893.10x = 47,839.65 × 11,111.74
  4. Step 4: Simplify right side
    31,893.10x = 531,581,752.49
  5. Step 5: Solve for x
    x = 531,581,752.49/31,893.10
  6. Step 6: Final answer
    x = 16,667.61

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Similar ratio
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1.5x scale

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.