Home / 38,971-53,780-22,204

Finding the Fourth Proportional to 38,971, 53,780 and 22,204

Calculator

Solution

The fourth proportional to 38,971, 53,780 and 22,204 is: 30,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971 : 53,780 = 22,204 : x
  2. Step 2: Convert to fraction form
    38,971/53,780 = 22,204/x
  3. Step 3: Cross multiply
    38,971x = 53,780 × 22,204
  4. Step 4: Simplify right side
    38,971x = 1,194,131,120
  5. Step 5: Solve for x
    x = 1,194,131,120/38,971
  6. Step 6: Final answer
    x = 30,641.53

Related Problems

Find fourth proportional to 19,485.50, 26,890 and 11,102
Half scale
Find fourth proportional to 77,942, 107,560 and 44,408
Double scale
Find fourth proportional to 38,972, 53,781.38 and 22,205
Similar ratio
Find fourth proportional to 58,456.50, 80,670 and 33,306
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.