Home / 55,780.70-83,684.21-18,340.88

Finding the Fourth Proportional to 55,780.70, 83,684.21 and 18,340.88

Calculator

Solution

The fourth proportional to 55,780.70, 83,684.21 and 18,340.88 is: 27,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.70 : 83,684.21 = 18,340.88 : x
  2. Step 2: Convert to fraction form
    55,780.70/83,684.21 = 18,340.88/x
  3. Step 3: Cross multiply
    55,780.70x = 83,684.21 × 18,340.88
  4. Step 4: Simplify right side
    55,780.70x = 1,534,841,543.38
  5. Step 5: Solve for x
    x = 1,534,841,543.38/55,780.70
  6. Step 6: Final answer
    x = 27,515.64

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.