Home / 20,567.81-30,851.89-4,985.44

Finding the Fourth Proportional to 20,567.81, 30,851.89 and 4,985.44

Calculator

Solution

The fourth proportional to 20,567.81, 30,851.89 and 4,985.44 is: 7,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.81 : 30,851.89 = 4,985.44 : x
  2. Step 2: Convert to fraction form
    20,567.81/30,851.89 = 4,985.44/x
  3. Step 3: Cross multiply
    20,567.81x = 30,851.89 × 4,985.44
  4. Step 4: Simplify right side
    20,567.81x = 153,810,156.89
  5. Step 5: Solve for x
    x = 153,810,156.89/20,567.81
  6. Step 6: Final answer
    x = 7,478.20

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.