Home / 36,120.96-54,181.44-17,640

Finding the Fourth Proportional to 36,120.96, 54,181.44 and 17,640

Calculator

Solution

The fourth proportional to 36,120.96, 54,181.44 and 17,640 is: 26,460

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.96 : 54,181.44 = 17,640 : x
  2. Step 2: Convert to fraction form
    36,120.96/54,181.44 = 17,640/x
  3. Step 3: Cross multiply
    36,120.96x = 54,181.44 × 17,640
  4. Step 4: Simplify right side
    36,120.96x = 955,760,601.60
  5. Step 5: Solve for x
    x = 955,760,601.60/36,120.96
  6. Step 6: Final answer
    x = 26,460

Related Problems

Find fourth proportional to 18,060.48, 27,090.72 and 8,820
Half scale
Find fourth proportional to 72,241.92, 108,362.88 and 35,280
Double scale
Find fourth proportional to 36,121.96, 54,182.94 and 17,641
Similar ratio
Find fourth proportional to 54,181.44, 81,272.16 and 26,460
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.