Home / 86,589.24-129,901.50-33,279

Finding the Fourth Proportional to 86,589.24, 129,901.50 and 33,279

Calculator

Solution

The fourth proportional to 86,589.24, 129,901.50 and 33,279 is: 49,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.24 : 129,901.50 = 33,279 : x
  2. Step 2: Convert to fraction form
    86,589.24/129,901.50 = 33,279/x
  3. Step 3: Cross multiply
    86,589.24x = 129,901.50 × 33,279
  4. Step 4: Simplify right side
    86,589.24x = 4,322,992,018.50
  5. Step 5: Solve for x
    x = 4,322,992,018.50/86,589.24
  6. Step 6: Final answer
    x = 49,925.28

Related Problems

Find fourth proportional to 43,294.62, 64,950.75 and 16,639.50
Half scale
Find fourth proportional to 173,178.48, 259,803 and 66,558
Double scale
Find fourth proportional to 86,590.24, 129,903 and 33,280
Similar ratio
Find fourth proportional to 129,883.86, 194,852.25 and 49,918.50
1.5x scale

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.