Home / 54,648.26-75,413.39-30,449.19

Finding the Fourth Proportional to 54,648.26, 75,413.39 and 30,449.19

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Solution

The fourth proportional to 54,648.26, 75,413.39 and 30,449.19 is: 42,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.26 : 75,413.39 = 30,449.19 : x
  2. Step 2: Convert to fraction form
    54,648.26/75,413.39 = 30,449.19/x
  3. Step 3: Cross multiply
    54,648.26x = 75,413.39 × 30,449.19
  4. Step 4: Simplify right side
    54,648.26x = 2,296,276,488.41
  5. Step 5: Solve for x
    x = 2,296,276,488.41/54,648.26
  6. Step 6: Final answer
    x = 42,019.21

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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.