Home / 30,494.07-42,066.81-20,424.69

Finding the Fourth Proportional to 30,494.07, 42,066.81 and 20,424.69

Calculator

Solution

The fourth proportional to 30,494.07, 42,066.81 and 20,424.69 is: 28,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.07 : 42,066.81 = 20,424.69 : x
  2. Step 2: Convert to fraction form
    30,494.07/42,066.81 = 20,424.69/x
  3. Step 3: Cross multiply
    30,494.07x = 42,066.81 × 20,424.69
  4. Step 4: Simplify right side
    30,494.07x = 859,201,553.54
  5. Step 5: Solve for x
    x = 859,201,553.54/30,494.07
  6. Step 6: Final answer
    x = 28,176.02

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.