Home / 34,790.70-48,013.55-19,683.36

Finding the Fourth Proportional to 34,790.70, 48,013.55 and 19,683.36

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Solution

The fourth proportional to 34,790.70, 48,013.55 and 19,683.36 is: 27,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790.70 : 48,013.55 = 19,683.36 : x
  2. Step 2: Convert to fraction form
    34,790.70/48,013.55 = 19,683.36/x
  3. Step 3: Cross multiply
    34,790.70x = 48,013.55 × 19,683.36
  4. Step 4: Simplify right side
    34,790.70x = 945,067,989.53
  5. Step 5: Solve for x
    x = 945,067,989.53/34,790.70
  6. Step 6: Final answer
    x = 27,164.39

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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.