Home / 45,709.80-68,564.70-42,330.60

Finding the Fourth Proportional to 45,709.80, 68,564.70 and 42,330.60

Calculator

Solution

The fourth proportional to 45,709.80, 68,564.70 and 42,330.60 is: 63,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,709.80 : 68,564.70 = 42,330.60 : x
  2. Step 2: Convert to fraction form
    45,709.80/68,564.70 = 42,330.60/x
  3. Step 3: Cross multiply
    45,709.80x = 68,564.70 × 42,330.60
  4. Step 4: Simplify right side
    45,709.80x = 2,902,384,889.82
  5. Step 5: Solve for x
    x = 2,902,384,889.82/45,709.80
  6. Step 6: Final answer
    x = 63,495.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.