Home / 51,413.66-70,954.46-28,754.76

Finding the Fourth Proportional to 51,413.66, 70,954.46 and 28,754.76

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Solution

The fourth proportional to 51,413.66, 70,954.46 and 28,754.76 is: 39,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,413.66 : 70,954.46 = 28,754.76 : x
  2. Step 2: Convert to fraction form
    51,413.66/70,954.46 = 28,754.76/x
  3. Step 3: Cross multiply
    51,413.66x = 70,954.46 × 28,754.76
  4. Step 4: Simplify right side
    51,413.66x = 2,040,278,460.99
  5. Step 5: Solve for x
    x = 2,040,278,460.99/51,413.66
  6. Step 6: Final answer
    x = 39,683.59

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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.