Home / 39,163.19-58,754.35-12,509.18

Finding the Fourth Proportional to 39,163.19, 58,754.35 and 12,509.18

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Solution

The fourth proportional to 39,163.19, 58,754.35 and 12,509.18 is: 18,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.19 : 58,754.35 = 12,509.18 : x
  2. Step 2: Convert to fraction form
    39,163.19/58,754.35 = 12,509.18/x
  3. Step 3: Cross multiply
    39,163.19x = 58,754.35 × 12,509.18
  4. Step 4: Simplify right side
    39,163.19x = 734,968,768.84
  5. Step 5: Solve for x
    x = 734,968,768.84/39,163.19
  6. Step 6: Final answer
    x = 18,766.83

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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.