Home / 51,413.40-77,120.10-16,356.60

Finding the Fourth Proportional to 51,413.40, 77,120.10 and 16,356.60

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Solution

The fourth proportional to 51,413.40, 77,120.10 and 16,356.60 is: 24,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,413.40 : 77,120.10 = 16,356.60 : x
  2. Step 2: Convert to fraction form
    51,413.40/77,120.10 = 16,356.60/x
  3. Step 3: Cross multiply
    51,413.40x = 77,120.10 × 16,356.60
  4. Step 4: Simplify right side
    51,413.40x = 1,261,422,627.66
  5. Step 5: Solve for x
    x = 1,261,422,627.66/51,413.40
  6. Step 6: Final answer
    x = 24,534.90

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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.