Home / 33,413.79-46,111.01-19,985.04

Finding the Fourth Proportional to 33,413.79, 46,111.01 and 19,985.04

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Solution

The fourth proportional to 33,413.79, 46,111.01 and 19,985.04 is: 27,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,413.79 : 46,111.01 = 19,985.04 : x
  2. Step 2: Convert to fraction form
    33,413.79/46,111.01 = 19,985.04/x
  3. Step 3: Cross multiply
    33,413.79x = 46,111.01 × 19,985.04
  4. Step 4: Simplify right side
    33,413.79x = 921,530,379.29
  5. Step 5: Solve for x
    x = 921,530,379.29/33,413.79
  6. Step 6: Final answer
    x = 27,579.34

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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.