Home / 50,413.15-75,654.56-20,831.24

Finding the Fourth Proportional to 50,413.15, 75,654.56 and 20,831.24

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Solution

The fourth proportional to 50,413.15, 75,654.56 and 20,831.24 is: 31,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,413.15 : 75,654.56 = 20,831.24 : x
  2. Step 2: Convert to fraction form
    50,413.15/75,654.56 = 20,831.24/x
  3. Step 3: Cross multiply
    50,413.15x = 75,654.56 × 20,831.24
  4. Step 4: Simplify right side
    50,413.15x = 1,575,978,296.45
  5. Step 5: Solve for x
    x = 1,575,978,296.45/50,413.15
  6. Step 6: Final answer
    x = 31,261.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.