Home / 34,890.62-48,141.54-19,782.09

Finding the Fourth Proportional to 34,890.62, 48,141.54 and 19,782.09

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Solution

The fourth proportional to 34,890.62, 48,141.54 and 19,782.09 is: 27,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.62 : 48,141.54 = 19,782.09 : x
  2. Step 2: Convert to fraction form
    34,890.62/48,141.54 = 19,782.09/x
  3. Step 3: Cross multiply
    34,890.62x = 48,141.54 × 19,782.09
  4. Step 4: Simplify right side
    34,890.62x = 952,340,277.02
  5. Step 5: Solve for x
    x = 952,340,277.02/34,890.62
  6. Step 6: Final answer
    x = 27,295.03

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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.