Home / 45,413.20-68,050.40-19,103.52

Finding the Fourth Proportional to 45,413.20, 68,050.40 and 19,103.52

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Solution

The fourth proportional to 45,413.20, 68,050.40 and 19,103.52 is: 28,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.20 : 68,050.40 = 19,103.52 : x
  2. Step 2: Convert to fraction form
    45,413.20/68,050.40 = 19,103.52/x
  3. Step 3: Cross multiply
    45,413.20x = 68,050.40 × 19,103.52
  4. Step 4: Simplify right side
    45,413.20x = 1,300,002,177.41
  5. Step 5: Solve for x
    x = 1,300,002,177.41/45,413.20
  6. Step 6: Final answer
    x = 28,626.09

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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.