Home / 31,280.67-43,167.20-17,852.09

Finding the Fourth Proportional to 31,280.67, 43,167.20 and 17,852.09

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Solution

The fourth proportional to 31,280.67, 43,167.20 and 17,852.09 is: 24,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.67 : 43,167.20 = 17,852.09 : x
  2. Step 2: Convert to fraction form
    31,280.67/43,167.20 = 17,852.09/x
  3. Step 3: Cross multiply
    31,280.67x = 43,167.20 × 17,852.09
  4. Step 4: Simplify right side
    31,280.67x = 770,624,434.35
  5. Step 5: Solve for x
    x = 770,624,434.35/31,280.67
  6. Step 6: Final answer
    x = 24,635.80

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1.5x scale

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.