Home / 38,326.78-52,898.30-21,559.78

Finding the Fourth Proportional to 38,326.78, 52,898.30 and 21,559.78

Calculator

Solution

The fourth proportional to 38,326.78, 52,898.30 and 21,559.78 is: 29,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.78 : 52,898.30 = 21,559.78 : x
  2. Step 2: Convert to fraction form
    38,326.78/52,898.30 = 21,559.78/x
  3. Step 3: Cross multiply
    38,326.78x = 52,898.30 × 21,559.78
  4. Step 4: Simplify right side
    38,326.78x = 1,140,475,710.37
  5. Step 5: Solve for x
    x = 1,140,475,710.37/38,326.78
  6. Step 6: Final answer
    x = 29,756.63

Related Problems

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.