Home / 54,361.90-75,022.64-30,489.90

Finding the Fourth Proportional to 54,361.90, 75,022.64 and 30,489.90

Calculator

Solution

The fourth proportional to 54,361.90, 75,022.64 and 30,489.90 is: 42,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.90 : 75,022.64 = 30,489.90 : x
  2. Step 2: Convert to fraction form
    54,361.90/75,022.64 = 30,489.90/x
  3. Step 3: Cross multiply
    54,361.90x = 75,022.64 × 30,489.90
  4. Step 4: Simplify right side
    54,361.90x = 2,287,432,791.34
  5. Step 5: Solve for x
    x = 2,287,432,791.34/54,361.90
  6. Step 6: Final answer
    x = 42,077.87

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.