Home / 39,850.56-59,775.84-12,148.56

Finding the Fourth Proportional to 39,850.56, 59,775.84 and 12,148.56

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Solution

The fourth proportional to 39,850.56, 59,775.84 and 12,148.56 is: 18,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.56 : 59,775.84 = 12,148.56 : x
  2. Step 2: Convert to fraction form
    39,850.56/59,775.84 = 12,148.56/x
  3. Step 3: Cross multiply
    39,850.56x = 59,775.84 × 12,148.56
  4. Step 4: Simplify right side
    39,850.56x = 726,190,378.79
  5. Step 5: Solve for x
    x = 726,190,378.79/39,850.56
  6. Step 6: Final answer
    x = 18,222.84

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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.