Home / 38,998.23-53,817.37-21,093.27

Finding the Fourth Proportional to 38,998.23, 53,817.37 and 21,093.27

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Solution

The fourth proportional to 38,998.23, 53,817.37 and 21,093.27 is: 29,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.23 : 53,817.37 = 21,093.27 : x
  2. Step 2: Convert to fraction form
    38,998.23/53,817.37 = 21,093.27/x
  3. Step 3: Cross multiply
    38,998.23x = 53,817.37 × 21,093.27
  4. Step 4: Simplify right side
    38,998.23x = 1,135,184,316.10
  5. Step 5: Solve for x
    x = 1,135,184,316.10/38,998.23
  6. Step 6: Final answer
    x = 29,108.61

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1.5x scale

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.