Home / 72,333.61-108,517.73-30,190.25

Finding the Fourth Proportional to 72,333.61, 108,517.73 and 30,190.25

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Solution

The fourth proportional to 72,333.61, 108,517.73 and 30,190.25 is: 45,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,333.61 : 108,517.73 = 30,190.25 : x
  2. Step 2: Convert to fraction form
    72,333.61/108,517.73 = 30,190.25/x
  3. Step 3: Cross multiply
    72,333.61x = 108,517.73 × 30,190.25
  4. Step 4: Simplify right side
    72,333.61x = 3,276,177,518.48
  5. Step 5: Solve for x
    x = 3,276,177,518.48/72,333.61
  6. Step 6: Final answer
    x = 45,292.61

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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.