Home / 38,403.36-52,999.72-21,413.14

Finding the Fourth Proportional to 38,403.36, 52,999.72 and 21,413.14

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Solution

The fourth proportional to 38,403.36, 52,999.72 and 21,413.14 is: 29,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.36 : 52,999.72 = 21,413.14 : x
  2. Step 2: Convert to fraction form
    38,403.36/52,999.72 = 21,413.14/x
  3. Step 3: Cross multiply
    38,403.36x = 52,999.72 × 21,413.14
  4. Step 4: Simplify right side
    38,403.36x = 1,134,890,238.29
  5. Step 5: Solve for x
    x = 1,134,890,238.29/38,403.36
  6. Step 6: Final answer
    x = 29,551.85

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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.