Home / 45,263.20-67,868.49-30,287.43

Finding the Fourth Proportional to 45,263.20, 67,868.49 and 30,287.43

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Solution

The fourth proportional to 45,263.20, 67,868.49 and 30,287.43 is: 45,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263.20 : 67,868.49 = 30,287.43 : x
  2. Step 2: Convert to fraction form
    45,263.20/67,868.49 = 30,287.43/x
  3. Step 3: Cross multiply
    45,263.20x = 67,868.49 × 30,287.43
  4. Step 4: Simplify right side
    45,263.20x = 2,055,561,988.64
  5. Step 5: Solve for x
    x = 2,055,561,988.64/45,263.20
  6. Step 6: Final answer
    x = 45,413.54

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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.