Home / 39,896.27-59,839.74-10,311.78

Finding the Fourth Proportional to 39,896.27, 59,839.74 and 10,311.78

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Solution

The fourth proportional to 39,896.27, 59,839.74 and 10,311.78 is: 15,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.27 : 59,839.74 = 10,311.78 : x
  2. Step 2: Convert to fraction form
    39,896.27/59,839.74 = 10,311.78/x
  3. Step 3: Cross multiply
    39,896.27x = 59,839.74 × 10,311.78
  4. Step 4: Simplify right side
    39,896.27x = 617,054,234.14
  5. Step 5: Solve for x
    x = 617,054,234.14/39,896.27
  6. Step 6: Final answer
    x = 15,466.47

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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.