Home / 29,149.40-43,745.70-11,631.80

Finding the Fourth Proportional to 29,149.40, 43,745.70 and 11,631.80

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Solution

The fourth proportional to 29,149.40, 43,745.70 and 11,631.80 is: 17,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.40 : 43,745.70 = 11,631.80 : x
  2. Step 2: Convert to fraction form
    29,149.40/43,745.70 = 11,631.80/x
  3. Step 3: Cross multiply
    29,149.40x = 43,745.70 × 11,631.80
  4. Step 4: Simplify right side
    29,149.40x = 508,841,233.26
  5. Step 5: Solve for x
    x = 508,841,233.26/29,149.40
  6. Step 6: Final answer
    x = 17,456.32

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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.