Home / 38,341.33-52,909.73-21,571.09

Finding the Fourth Proportional to 38,341.33, 52,909.73 and 21,571.09

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Solution

The fourth proportional to 38,341.33, 52,909.73 and 21,571.09 is: 29,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.33 : 52,909.73 = 21,571.09 : x
  2. Step 2: Convert to fraction form
    38,341.33/52,909.73 = 21,571.09/x
  3. Step 3: Cross multiply
    38,341.33x = 52,909.73 × 21,571.09
  4. Step 4: Simplify right side
    38,341.33x = 1,141,320,337.08
  5. Step 5: Solve for x
    x = 1,141,320,337.08/38,341.33
  6. Step 6: Final answer
    x = 29,767.37

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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.