Home / 55,815.12-77,022.24-30,664.08

Finding the Fourth Proportional to 55,815.12, 77,022.24 and 30,664.08

Calculator

Solution

The fourth proportional to 55,815.12, 77,022.24 and 30,664.08 is: 42,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.12 : 77,022.24 = 30,664.08 : x
  2. Step 2: Convert to fraction form
    55,815.12/77,022.24 = 30,664.08/x
  3. Step 3: Cross multiply
    55,815.12x = 77,022.24 × 30,664.08
  4. Step 4: Simplify right side
    55,815.12x = 2,361,816,129.14
  5. Step 5: Solve for x
    x = 2,361,816,129.14/55,815.12
  6. Step 6: Final answer
    x = 42,314.99

Related Problems

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.