Home / 30,126.26-45,194.42-10,399.52

Finding the Fourth Proportional to 30,126.26, 45,194.42 and 10,399.52

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Solution

The fourth proportional to 30,126.26, 45,194.42 and 10,399.52 is: 15,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.26 : 45,194.42 = 10,399.52 : x
  2. Step 2: Convert to fraction form
    30,126.26/45,194.42 = 10,399.52/x
  3. Step 3: Cross multiply
    30,126.26x = 45,194.42 × 10,399.52
  4. Step 4: Simplify right side
    30,126.26x = 470,000,413.66
  5. Step 5: Solve for x
    x = 470,000,413.66/30,126.26
  6. Step 6: Final answer
    x = 15,601.02

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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.