Home / 38,619.57-53,294.60-21,623.97

Finding the Fourth Proportional to 38,619.57, 53,294.60 and 21,623.97

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Solution

The fourth proportional to 38,619.57, 53,294.60 and 21,623.97 is: 29,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.57 : 53,294.60 = 21,623.97 : x
  2. Step 2: Convert to fraction form
    38,619.57/53,294.60 = 21,623.97/x
  3. Step 3: Cross multiply
    38,619.57x = 53,294.60 × 21,623.97
  4. Step 4: Simplify right side
    38,619.57x = 1,152,440,723.44
  5. Step 5: Solve for x
    x = 1,152,440,723.44/38,619.57
  6. Step 6: Final answer
    x = 29,840.85

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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.