Home / 38,867.85-58,310.25-12,572.19

Finding the Fourth Proportional to 38,867.85, 58,310.25 and 12,572.19

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Solution

The fourth proportional to 38,867.85, 58,310.25 and 12,572.19 is: 18,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.85 : 58,310.25 = 12,572.19 : x
  2. Step 2: Convert to fraction form
    38,867.85/58,310.25 = 12,572.19/x
  3. Step 3: Cross multiply
    38,867.85x = 58,310.25 × 12,572.19
  4. Step 4: Simplify right side
    38,867.85x = 733,087,541.95
  5. Step 5: Solve for x
    x = 733,087,541.95/38,867.85
  6. Step 6: Final answer
    x = 18,861.03

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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.