Home / 55,431.34-83,144.48-20,368.42

Finding the Fourth Proportional to 55,431.34, 83,144.48 and 20,368.42

Calculator

Solution

The fourth proportional to 55,431.34, 83,144.48 and 20,368.42 is: 30,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.34 : 83,144.48 = 20,368.42 : x
  2. Step 2: Convert to fraction form
    55,431.34/83,144.48 = 20,368.42/x
  3. Step 3: Cross multiply
    55,431.34x = 83,144.48 × 20,368.42
  4. Step 4: Simplify right side
    55,431.34x = 1,693,521,689.32
  5. Step 5: Solve for x
    x = 1,693,521,689.32/55,431.34
  6. Step 6: Final answer
    x = 30,551.70

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.