Home / 55,695.03-76,863.21-31,821.19

Finding the Fourth Proportional to 55,695.03, 76,863.21 and 31,821.19

Calculator

Solution

The fourth proportional to 55,695.03, 76,863.21 and 31,821.19 is: 43,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.03 : 76,863.21 = 31,821.19 : x
  2. Step 2: Convert to fraction form
    55,695.03/76,863.21 = 31,821.19/x
  3. Step 3: Cross multiply
    55,695.03x = 76,863.21 × 31,821.19
  4. Step 4: Simplify right side
    55,695.03x = 2,445,878,809.42
  5. Step 5: Solve for x
    x = 2,445,878,809.42/55,695.03
  6. Step 6: Final answer
    x = 43,915.57

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.