Home / 34,861.66-48,107.11-18,946

Finding the Fourth Proportional to 34,861.66, 48,107.11 and 18,946

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Solution

The fourth proportional to 34,861.66, 48,107.11 and 18,946 is: 26,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.66 : 48,107.11 = 18,946 : x
  2. Step 2: Convert to fraction form
    34,861.66/48,107.11 = 18,946/x
  3. Step 3: Cross multiply
    34,861.66x = 48,107.11 × 18,946
  4. Step 4: Simplify right side
    34,861.66x = 911,437,306.06
  5. Step 5: Solve for x
    x = 911,437,306.06/34,861.66
  6. Step 6: Final answer
    x = 26,144.40

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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.