Home / 29,285.21-43,945.87-11,512.75

Finding the Fourth Proportional to 29,285.21, 43,945.87 and 11,512.75

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Solution

The fourth proportional to 29,285.21, 43,945.87 and 11,512.75 is: 17,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.21 : 43,945.87 = 11,512.75 : x
  2. Step 2: Convert to fraction form
    29,285.21/43,945.87 = 11,512.75/x
  3. Step 3: Cross multiply
    29,285.21x = 43,945.87 × 11,512.75
  4. Step 4: Simplify right side
    29,285.21x = 505,937,676.20
  5. Step 5: Solve for x
    x = 505,937,676.20/29,285.21
  6. Step 6: Final answer
    x = 17,276.22

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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.