Home / 74,589.44-111,856-21,984

Finding the Fourth Proportional to 74,589.44, 111,856 and 21,984

Calculator

Solution

The fourth proportional to 74,589.44, 111,856 and 21,984 is: 32,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,589.44 : 111,856 = 21,984 : x
  2. Step 2: Convert to fraction form
    74,589.44/111,856 = 21,984/x
  3. Step 3: Cross multiply
    74,589.44x = 111,856 × 21,984
  4. Step 4: Simplify right side
    74,589.44x = 2,459,042,304
  5. Step 5: Solve for x
    x = 2,459,042,304/74,589.44
  6. Step 6: Final answer
    x = 32,967.70

Related Problems

Find fourth proportional to 37,294.72, 55,928 and 10,992
Half scale
Find fourth proportional to 149,178.88, 223,712 and 43,968
Double scale
Find fourth proportional to 74,590.44, 111,857.50 and 21,985
Similar ratio
Find fourth proportional to 111,884.16, 167,784 and 32,976
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.