Home / 53,328.40-79,997.19-13,885.58

Finding the Fourth Proportional to 53,328.40, 79,997.19 and 13,885.58

Calculator

Solution

The fourth proportional to 53,328.40, 79,997.19 and 13,885.58 is: 20,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.40 : 79,997.19 = 13,885.58 : x
  2. Step 2: Convert to fraction form
    53,328.40/79,997.19 = 13,885.58/x
  3. Step 3: Cross multiply
    53,328.40x = 79,997.19 × 13,885.58
  4. Step 4: Simplify right side
    53,328.40x = 1,110,807,529.44
  5. Step 5: Solve for x
    x = 1,110,807,529.44/53,328.40
  6. Step 6: Final answer
    x = 20,829.57

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.