Home / 39,255.70-58,889.38-18,197.87

Finding the Fourth Proportional to 39,255.70, 58,889.38 and 18,197.87

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Solution

The fourth proportional to 39,255.70, 58,889.38 and 18,197.87 is: 27,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.70 : 58,889.38 = 18,197.87 : x
  2. Step 2: Convert to fraction form
    39,255.70/58,889.38 = 18,197.87/x
  3. Step 3: Cross multiply
    39,255.70x = 58,889.38 × 18,197.87
  4. Step 4: Simplify right side
    39,255.70x = 1,071,660,975.80
  5. Step 5: Solve for x
    x = 1,071,660,975.80/39,255.70
  6. Step 6: Final answer
    x = 27,299.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.