Home / 31,289.49-43,177.93-18,557.10

Finding the Fourth Proportional to 31,289.49, 43,177.93 and 18,557.10

Calculator

Solution

The fourth proportional to 31,289.49, 43,177.93 and 18,557.10 is: 25,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.49 : 43,177.93 = 18,557.10 : x
  2. Step 2: Convert to fraction form
    31,289.49/43,177.93 = 18,557.10/x
  3. Step 3: Cross multiply
    31,289.49x = 43,177.93 × 18,557.10
  4. Step 4: Simplify right side
    31,289.49x = 801,257,118.41
  5. Step 5: Solve for x
    x = 801,257,118.41/31,289.49
  6. Step 6: Final answer
    x = 25,607.87

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.