Home / 39,853.62-59,728.07-18,765.06

Finding the Fourth Proportional to 39,853.62, 59,728.07 and 18,765.06

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Solution

The fourth proportional to 39,853.62, 59,728.07 and 18,765.06 is: 28,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.62 : 59,728.07 = 18,765.06 : x
  2. Step 2: Convert to fraction form
    39,853.62/59,728.07 = 18,765.06/x
  3. Step 3: Cross multiply
    39,853.62x = 59,728.07 × 18,765.06
  4. Step 4: Simplify right side
    39,853.62x = 1,120,800,723.41
  5. Step 5: Solve for x
    x = 1,120,800,723.41/39,853.62
  6. Step 6: Final answer
    x = 28,122.93

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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.