Home / 29,906.48-40,972.10-28,785.44

Finding the Fourth Proportional to 29,906.48, 40,972.10 and 28,785.44

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Solution

The fourth proportional to 29,906.48, 40,972.10 and 28,785.44 is: 39,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,906.48 : 40,972.10 = 28,785.44 : x
  2. Step 2: Convert to fraction form
    29,906.48/40,972.10 = 28,785.44/x
  3. Step 3: Cross multiply
    29,906.48x = 40,972.10 × 28,785.44
  4. Step 4: Simplify right side
    29,906.48x = 1,179,399,926.22
  5. Step 5: Solve for x
    x = 1,179,399,926.22/29,906.48
  6. Step 6: Final answer
    x = 39,436.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.