Home / 51,436.95-77,135.85-18,150.81

Finding the Fourth Proportional to 51,436.95, 77,135.85 and 18,150.81

Calculator

Solution

The fourth proportional to 51,436.95, 77,135.85 and 18,150.81 is: 27,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.95 : 77,135.85 = 18,150.81 : x
  2. Step 2: Convert to fraction form
    51,436.95/77,135.85 = 18,150.81/x
  3. Step 3: Cross multiply
    51,436.95x = 77,135.85 × 18,150.81
  4. Step 4: Simplify right side
    51,436.95x = 1,400,078,157.54
  5. Step 5: Solve for x
    x = 1,400,078,157.54/51,436.95
  6. Step 6: Final answer
    x = 27,219.31

Related Problems

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.