Home / 53,725.91-74,122.81-30,738.94

Finding the Fourth Proportional to 53,725.91, 74,122.81 and 30,738.94

Calculator

Solution

The fourth proportional to 53,725.91, 74,122.81 and 30,738.94 is: 42,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.91 : 74,122.81 = 30,738.94 : x
  2. Step 2: Convert to fraction form
    53,725.91/74,122.81 = 30,738.94/x
  3. Step 3: Cross multiply
    53,725.91x = 74,122.81 × 30,738.94
  4. Step 4: Simplify right side
    53,725.91x = 2,278,456,347.07
  5. Step 5: Solve for x
    x = 2,278,456,347.07/53,725.91
  6. Step 6: Final answer
    x = 42,408.90

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.