Home / 55,509.05-76,614.79-38,305.56

Finding the Fourth Proportional to 55,509.05, 76,614.79 and 38,305.56

Calculator

Solution

The fourth proportional to 55,509.05, 76,614.79 and 38,305.56 is: 52,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.05 : 76,614.79 = 38,305.56 : x
  2. Step 2: Convert to fraction form
    55,509.05/76,614.79 = 38,305.56/x
  3. Step 3: Cross multiply
    55,509.05x = 76,614.79 × 38,305.56
  4. Step 4: Simplify right side
    55,509.05x = 2,934,772,159.90
  5. Step 5: Solve for x
    x = 2,934,772,159.90/55,509.05
  6. Step 6: Final answer
    x = 52,870.16

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.