Home / 34,891.35-48,148.68-18,975.78

Finding the Fourth Proportional to 34,891.35, 48,148.68 and 18,975.78

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Solution

The fourth proportional to 34,891.35, 48,148.68 and 18,975.78 is: 26,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,891.35 : 48,148.68 = 18,975.78 : x
  2. Step 2: Convert to fraction form
    34,891.35/48,148.68 = 18,975.78/x
  3. Step 3: Cross multiply
    34,891.35x = 48,148.68 × 18,975.78
  4. Step 4: Simplify right side
    34,891.35x = 913,658,758.97
  5. Step 5: Solve for x
    x = 913,658,758.97/34,891.35
  6. Step 6: Final answer
    x = 26,185.82

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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.