Home / 73,428.50-101,331.34-39,894.50

Finding the Fourth Proportional to 73,428.50, 101,331.34 and 39,894.50

Calculator

Solution

The fourth proportional to 73,428.50, 101,331.34 and 39,894.50 is: 55,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,428.50 : 101,331.34 = 39,894.50 : x
  2. Step 2: Convert to fraction form
    73,428.50/101,331.34 = 39,894.50/x
  3. Step 3: Cross multiply
    73,428.50x = 101,331.34 × 39,894.50
  4. Step 4: Simplify right side
    73,428.50x = 4,042,563,143.63
  5. Step 5: Solve for x
    x = 4,042,563,143.63/73,428.50
  6. Step 6: Final answer
    x = 55,054.42

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.