Home / 30,809.28-45,991.05-27,072.60

Finding the Fourth Proportional to 30,809.28, 45,991.05 and 27,072.60

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Solution

The fourth proportional to 30,809.28, 45,991.05 and 27,072.60 is: 40,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809.28 : 45,991.05 = 27,072.60 : x
  2. Step 2: Convert to fraction form
    30,809.28/45,991.05 = 27,072.60/x
  3. Step 3: Cross multiply
    30,809.28x = 45,991.05 × 27,072.60
  4. Step 4: Simplify right side
    30,809.28x = 1,245,097,300.23
  5. Step 5: Solve for x
    x = 1,245,097,300.23/30,809.28
  6. Step 6: Final answer
    x = 40,413.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.