Home / 39,850.56-59,776.08-12,148.56

Finding the Fourth Proportional to 39,850.56, 59,776.08 and 12,148.56

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Solution

The fourth proportional to 39,850.56, 59,776.08 and 12,148.56 is: 18,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.56 : 59,776.08 = 12,148.56 : x
  2. Step 2: Convert to fraction form
    39,850.56/59,776.08 = 12,148.56/x
  3. Step 3: Cross multiply
    39,850.56x = 59,776.08 × 12,148.56
  4. Step 4: Simplify right side
    39,850.56x = 726,193,294.44
  5. Step 5: Solve for x
    x = 726,193,294.44/39,850.56
  6. Step 6: Final answer
    x = 18,222.91

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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.