Home / 54,413.56-75,090.66-30,540.25

Finding the Fourth Proportional to 54,413.56, 75,090.66 and 30,540.25

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Solution

The fourth proportional to 54,413.56, 75,090.66 and 30,540.25 is: 42,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.56 : 75,090.66 = 30,540.25 : x
  2. Step 2: Convert to fraction form
    54,413.56/75,090.66 = 30,540.25/x
  3. Step 3: Cross multiply
    54,413.56x = 75,090.66 × 30,540.25
  4. Step 4: Simplify right side
    54,413.56x = 2,293,287,529.07
  5. Step 5: Solve for x
    x = 2,293,287,529.07/54,413.56
  6. Step 6: Final answer
    x = 42,145.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.