Home / 34,865.33-48,114.53-18,949.78

Finding the Fourth Proportional to 34,865.33, 48,114.53 and 18,949.78

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Solution

The fourth proportional to 34,865.33, 48,114.53 and 18,949.78 is: 26,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.33 : 48,114.53 = 18,949.78 : x
  2. Step 2: Convert to fraction form
    34,865.33/48,114.53 = 18,949.78/x
  3. Step 3: Cross multiply
    34,865.33x = 48,114.53 × 18,949.78
  4. Step 4: Simplify right side
    34,865.33x = 911,759,422.98
  5. Step 5: Solve for x
    x = 911,759,422.98/34,865.33
  6. Step 6: Final answer
    x = 26,150.89

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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.