Home / 30,589.41-42,225.39-21,683.46

Finding the Fourth Proportional to 30,589.41, 42,225.39 and 21,683.46

Calculator

Solution

The fourth proportional to 30,589.41, 42,225.39 and 21,683.46 is: 29,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.41 : 42,225.39 = 21,683.46 : x
  2. Step 2: Convert to fraction form
    30,589.41/42,225.39 = 21,683.46/x
  3. Step 3: Cross multiply
    30,589.41x = 42,225.39 × 21,683.46
  4. Step 4: Simplify right side
    30,589.41x = 915,592,555.05
  5. Step 5: Solve for x
    x = 915,592,555.05/30,589.41
  6. Step 6: Final answer
    x = 29,931.68

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.