Home / 38,413.22-53,010.09-21,417.26

Finding the Fourth Proportional to 38,413.22, 53,010.09 and 21,417.26

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Solution

The fourth proportional to 38,413.22, 53,010.09 and 21,417.26 is: 29,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,413.22 : 53,010.09 = 21,417.26 : x
  2. Step 2: Convert to fraction form
    38,413.22/53,010.09 = 21,417.26/x
  3. Step 3: Cross multiply
    38,413.22x = 53,010.09 × 21,417.26
  4. Step 4: Simplify right side
    38,413.22x = 1,135,330,615.10
  5. Step 5: Solve for x
    x = 1,135,330,615.10/38,413.22
  6. Step 6: Final answer
    x = 29,555.73

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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.