Home / 30,930.84-42,683.31-16,783.38

Finding the Fourth Proportional to 30,930.84, 42,683.31 and 16,783.38

Calculator

Solution

The fourth proportional to 30,930.84, 42,683.31 and 16,783.38 is: 23,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.84 : 42,683.31 = 16,783.38 : x
  2. Step 2: Convert to fraction form
    30,930.84/42,683.31 = 16,783.38/x
  3. Step 3: Cross multiply
    30,930.84x = 42,683.31 × 16,783.38
  4. Step 4: Simplify right side
    30,930.84x = 716,370,211.39
  5. Step 5: Solve for x
    x = 716,370,211.39/30,930.84
  6. Step 6: Final answer
    x = 23,160.39

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.