Home / 38,342.33-52,911.11-21,572.09

Finding the Fourth Proportional to 38,342.33, 52,911.11 and 21,572.09

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Solution

The fourth proportional to 38,342.33, 52,911.11 and 21,572.09 is: 29,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.33 : 52,911.11 = 21,572.09 : x
  2. Step 2: Convert to fraction form
    38,342.33/52,911.11 = 21,572.09/x
  3. Step 3: Cross multiply
    38,342.33x = 52,911.11 × 21,572.09
  4. Step 4: Simplify right side
    38,342.33x = 1,141,403,226.92
  5. Step 5: Solve for x
    x = 1,141,403,226.92/38,342.33
  6. Step 6: Final answer
    x = 29,768.75

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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.