Home / 75,617.44-113,426.16-20,212

Finding the Fourth Proportional to 75,617.44, 113,426.16 and 20,212

Calculator

Solution

The fourth proportional to 75,617.44, 113,426.16 and 20,212 is: 30,318

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,617.44 : 113,426.16 = 20,212 : x
  2. Step 2: Convert to fraction form
    75,617.44/113,426.16 = 20,212/x
  3. Step 3: Cross multiply
    75,617.44x = 113,426.16 × 20,212
  4. Step 4: Simplify right side
    75,617.44x = 2,292,569,545.92
  5. Step 5: Solve for x
    x = 2,292,569,545.92/75,617.44
  6. Step 6: Final answer
    x = 30,318

Related Problems

Find fourth proportional to 37,808.72, 56,713.08 and 10,106
Half scale
Find fourth proportional to 151,234.88, 226,852.32 and 40,424
Double scale
Find fourth proportional to 75,618.44, 113,427.66 and 20,213
Similar ratio
Find fourth proportional to 113,426.16, 170,139.24 and 30,318
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.