Home / 30,167.04-41,605.20-19,413.60

Finding the Fourth Proportional to 30,167.04, 41,605.20 and 19,413.60

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Solution

The fourth proportional to 30,167.04, 41,605.20 and 19,413.60 is: 26,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.04 : 41,605.20 = 19,413.60 : x
  2. Step 2: Convert to fraction form
    30,167.04/41,605.20 = 19,413.60/x
  3. Step 3: Cross multiply
    30,167.04x = 41,605.20 × 19,413.60
  4. Step 4: Simplify right side
    30,167.04x = 807,706,710.72
  5. Step 5: Solve for x
    x = 807,706,710.72/30,167.04
  6. Step 6: Final answer
    x = 26,774.48

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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.