Home / 29,171.40-43,778.70-11,653.80

Finding the Fourth Proportional to 29,171.40, 43,778.70 and 11,653.80

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Solution

The fourth proportional to 29,171.40, 43,778.70 and 11,653.80 is: 17,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.40 : 43,778.70 = 11,653.80 : x
  2. Step 2: Convert to fraction form
    29,171.40/43,778.70 = 11,653.80/x
  3. Step 3: Cross multiply
    29,171.40x = 43,778.70 × 11,653.80
  4. Step 4: Simplify right side
    29,171.40x = 510,188,214.06
  5. Step 5: Solve for x
    x = 510,188,214.06/29,171.40
  6. Step 6: Final answer
    x = 17,489.33

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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.