Home / 34,865.45-48,114.70-18,949.90

Finding the Fourth Proportional to 34,865.45, 48,114.70 and 18,949.90

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Solution

The fourth proportional to 34,865.45, 48,114.70 and 18,949.90 is: 26,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.45 : 48,114.70 = 18,949.90 : x
  2. Step 2: Convert to fraction form
    34,865.45/48,114.70 = 18,949.90/x
  3. Step 3: Cross multiply
    34,865.45x = 48,114.70 × 18,949.90
  4. Step 4: Simplify right side
    34,865.45x = 911,768,753.53
  5. Step 5: Solve for x
    x = 911,768,753.53/34,865.45
  6. Step 6: Final answer
    x = 26,151.07

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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.