Home / 38,998.96-53,818.40-21,094

Finding the Fourth Proportional to 38,998.96, 53,818.40 and 21,094

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Solution

The fourth proportional to 38,998.96, 53,818.40 and 21,094 is: 29,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.96 : 53,818.40 = 21,094 : x
  2. Step 2: Convert to fraction form
    38,998.96/53,818.40 = 21,094/x
  3. Step 3: Cross multiply
    38,998.96x = 53,818.40 × 21,094
  4. Step 4: Simplify right side
    38,998.96x = 1,135,245,329.60
  5. Step 5: Solve for x
    x = 1,135,245,329.60/38,998.96
  6. Step 6: Final answer
    x = 29,109.63

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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.