Home / 38,789.96-53,529.39-21,794.27

Finding the Fourth Proportional to 38,789.96, 53,529.39 and 21,794.27

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Solution

The fourth proportional to 38,789.96, 53,529.39 and 21,794.27 is: 30,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.96 : 53,529.39 = 21,794.27 : x
  2. Step 2: Convert to fraction form
    38,789.96/53,529.39 = 21,794.27/x
  3. Step 3: Cross multiply
    38,789.96x = 53,529.39 × 21,794.27
  4. Step 4: Simplify right side
    38,789.96x = 1,166,633,710.95
  5. Step 5: Solve for x
    x = 1,166,633,710.95/38,789.96
  6. Step 6: Final answer
    x = 30,075.67

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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.