Home / 79,622.94-119,438.60-20,459.01

Finding the Fourth Proportional to 79,622.94, 119,438.60 and 20,459.01

Calculator

Solution

The fourth proportional to 79,622.94, 119,438.60 and 20,459.01 is: 30,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622.94 : 119,438.60 = 20,459.01 : x
  2. Step 2: Convert to fraction form
    79,622.94/119,438.60 = 20,459.01/x
  3. Step 3: Cross multiply
    79,622.94x = 119,438.60 × 20,459.01
  4. Step 4: Simplify right side
    79,622.94x = 2,443,595,409.49
  5. Step 5: Solve for x
    x = 2,443,595,409.49/79,622.94
  6. Step 6: Final answer
    x = 30,689.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.