Home / 34,085.70-47,040.21-20,477.91

Finding the Fourth Proportional to 34,085.70, 47,040.21 and 20,477.91

Calculator

Solution

The fourth proportional to 34,085.70, 47,040.21 and 20,477.91 is: 28,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.70 : 47,040.21 = 20,477.91 : x
  2. Step 2: Convert to fraction form
    34,085.70/47,040.21 = 20,477.91/x
  3. Step 3: Cross multiply
    34,085.70x = 47,040.21 × 20,477.91
  4. Step 4: Simplify right side
    34,085.70x = 963,285,017.97
  5. Step 5: Solve for x
    x = 963,285,017.97/34,085.70
  6. Step 6: Final answer
    x = 28,260.68

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.