Home / 49,471.68-74,218.08-28,421.28

Finding the Fourth Proportional to 49,471.68, 74,218.08 and 28,421.28

Calculator

Solution

The fourth proportional to 49,471.68, 74,218.08 and 28,421.28 is: 42,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.68 : 74,218.08 = 28,421.28 : x
  2. Step 2: Convert to fraction form
    49,471.68/74,218.08 = 28,421.28/x
  3. Step 3: Cross multiply
    49,471.68x = 74,218.08 × 28,421.28
  4. Step 4: Simplify right side
    49,471.68x = 2,109,372,832.74
  5. Step 5: Solve for x
    x = 2,109,372,832.74/49,471.68
  6. Step 6: Final answer
    x = 42,637.99

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.