Home / 38,570.23-57,861.83-12,283.03

Finding the Fourth Proportional to 38,570.23, 57,861.83 and 12,283.03

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Solution

The fourth proportional to 38,570.23, 57,861.83 and 12,283.03 is: 18,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.23 : 57,861.83 = 12,283.03 : x
  2. Step 2: Convert to fraction form
    38,570.23/57,861.83 = 12,283.03/x
  3. Step 3: Cross multiply
    38,570.23x = 57,861.83 × 12,283.03
  4. Step 4: Simplify right side
    38,570.23x = 710,718,593.74
  5. Step 5: Solve for x
    x = 710,718,593.74/38,570.23
  6. Step 6: Final answer
    x = 18,426.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.