Home / 38,998.49-53,817.92-21,093.50

Finding the Fourth Proportional to 38,998.49, 53,817.92 and 21,093.50

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Solution

The fourth proportional to 38,998.49, 53,817.92 and 21,093.50 is: 29,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.49 : 53,817.92 = 21,093.50 : x
  2. Step 2: Convert to fraction form
    38,998.49/53,817.92 = 21,093.50/x
  3. Step 3: Cross multiply
    38,998.49x = 53,817.92 × 21,093.50
  4. Step 4: Simplify right side
    38,998.49x = 1,135,208,079.16
  5. Step 5: Solve for x
    x = 1,135,208,079.16/38,998.49
  6. Step 6: Final answer
    x = 29,109.02

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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.