Home / 74,682.72-112,021.83-30,308.40

Finding the Fourth Proportional to 74,682.72, 112,021.83 and 30,308.40

Calculator

Solution

The fourth proportional to 74,682.72, 112,021.83 and 30,308.40 is: 45,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682.72 : 112,021.83 = 30,308.40 : x
  2. Step 2: Convert to fraction form
    74,682.72/112,021.83 = 30,308.40/x
  3. Step 3: Cross multiply
    74,682.72x = 112,021.83 × 30,308.40
  4. Step 4: Simplify right side
    74,682.72x = 3,395,202,432.37
  5. Step 5: Solve for x
    x = 3,395,202,432.37/74,682.72
  6. Step 6: Final answer
    x = 45,461.69

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.