Home / 55,456.27-83,145.44-19,423.90

Finding the Fourth Proportional to 55,456.27, 83,145.44 and 19,423.90

Calculator

Solution

The fourth proportional to 55,456.27, 83,145.44 and 19,423.90 is: 29,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.27 : 83,145.44 = 19,423.90 : x
  2. Step 2: Convert to fraction form
    55,456.27/83,145.44 = 19,423.90/x
  3. Step 3: Cross multiply
    55,456.27x = 83,145.44 × 19,423.90
  4. Step 4: Simplify right side
    55,456.27x = 1,615,008,864.51
  5. Step 5: Solve for x
    x = 1,615,008,864.51/55,456.27
  6. Step 6: Final answer
    x = 29,122.21

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.