Home / 51,326.40-76,989.60-48,920.70

Finding the Fourth Proportional to 51,326.40, 76,989.60 and 48,920.70

Calculator

Solution

The fourth proportional to 51,326.40, 76,989.60 and 48,920.70 is: 73,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.40 : 76,989.60 = 48,920.70 : x
  2. Step 2: Convert to fraction form
    51,326.40/76,989.60 = 48,920.70/x
  3. Step 3: Cross multiply
    51,326.40x = 76,989.60 × 48,920.70
  4. Step 4: Simplify right side
    51,326.40x = 3,766,385,124.72
  5. Step 5: Solve for x
    x = 3,766,385,124.72/51,326.40
  6. Step 6: Final answer
    x = 73,381.05

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.