Home / 38,341.89-52,910.50-21,571.65

Finding the Fourth Proportional to 38,341.89, 52,910.50 and 21,571.65

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Solution

The fourth proportional to 38,341.89, 52,910.50 and 21,571.65 is: 29,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.89 : 52,910.50 = 21,571.65 : x
  2. Step 2: Convert to fraction form
    38,341.89/52,910.50 = 21,571.65/x
  3. Step 3: Cross multiply
    38,341.89x = 52,910.50 × 21,571.65
  4. Step 4: Simplify right side
    38,341.89x = 1,141,366,787.33
  5. Step 5: Solve for x
    x = 1,141,366,787.33/38,341.89
  6. Step 6: Final answer
    x = 29,768.14

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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.