Home / 34,764.99-47,975.39-19,660.61

Finding the Fourth Proportional to 34,764.99, 47,975.39 and 19,660.61

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Solution

The fourth proportional to 34,764.99, 47,975.39 and 19,660.61 is: 27,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.99 : 47,975.39 = 19,660.61 : x
  2. Step 2: Convert to fraction form
    34,764.99/47,975.39 = 19,660.61/x
  3. Step 3: Cross multiply
    34,764.99x = 47,975.39 × 19,660.61
  4. Step 4: Simplify right side
    34,764.99x = 943,225,094.21
  5. Step 5: Solve for x
    x = 943,225,094.21/34,764.99
  6. Step 6: Final answer
    x = 27,131.46

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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.