Home / 30,413.25-41,969.47-16,984.13

Finding the Fourth Proportional to 30,413.25, 41,969.47 and 16,984.13

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Solution

The fourth proportional to 30,413.25, 41,969.47 and 16,984.13 is: 23,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.25 : 41,969.47 = 16,984.13 : x
  2. Step 2: Convert to fraction form
    30,413.25/41,969.47 = 16,984.13/x
  3. Step 3: Cross multiply
    30,413.25x = 41,969.47 × 16,984.13
  4. Step 4: Simplify right side
    30,413.25x = 712,814,934.51
  5. Step 5: Solve for x
    x = 712,814,934.51/30,413.25
  6. Step 6: Final answer
    x = 23,437.64

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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.