Home / 39,093.35-53,948.58-21,188.34

Finding the Fourth Proportional to 39,093.35, 53,948.58 and 21,188.34

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Solution

The fourth proportional to 39,093.35, 53,948.58 and 21,188.34 is: 29,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093.35 : 53,948.58 = 21,188.34 : x
  2. Step 2: Convert to fraction form
    39,093.35/53,948.58 = 21,188.34/x
  3. Step 3: Cross multiply
    39,093.35x = 53,948.58 × 21,188.34
  4. Step 4: Simplify right side
    39,093.35x = 1,143,080,855.56
  5. Step 5: Solve for x
    x = 1,143,080,855.56/39,093.35
  6. Step 6: Final answer
    x = 29,239.78

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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.