Home / 45,323.90-67,981.22-12,047.33

Finding the Fourth Proportional to 45,323.90, 67,981.22 and 12,047.33

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Solution

The fourth proportional to 45,323.90, 67,981.22 and 12,047.33 is: 18,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.90 : 67,981.22 = 12,047.33 : x
  2. Step 2: Convert to fraction form
    45,323.90/67,981.22 = 12,047.33/x
  3. Step 3: Cross multiply
    45,323.90x = 67,981.22 × 12,047.33
  4. Step 4: Simplify right side
    45,323.90x = 818,992,413.80
  5. Step 5: Solve for x
    x = 818,992,413.80/45,323.90
  6. Step 6: Final answer
    x = 18,069.77

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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.