Home / 37,238.88-51,390-20,472

Finding the Fourth Proportional to 37,238.88, 51,390 and 20,472

Calculator

Solution

The fourth proportional to 37,238.88, 51,390 and 20,472 is: 28,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.88 : 51,390 = 20,472 : x
  2. Step 2: Convert to fraction form
    37,238.88/51,390 = 20,472/x
  3. Step 3: Cross multiply
    37,238.88x = 51,390 × 20,472
  4. Step 4: Simplify right side
    37,238.88x = 1,052,056,080
  5. Step 5: Solve for x
    x = 1,052,056,080/37,238.88
  6. Step 6: Final answer
    x = 28,251.55

Related Problems

Find fourth proportional to 18,619.44, 25,695 and 10,236
Half scale
Find fourth proportional to 74,477.76, 102,780 and 40,944
Double scale
Find fourth proportional to 37,239.88, 51,391.38 and 20,473
Similar ratio
Find fourth proportional to 55,858.32, 77,085 and 30,708
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.