Home / 32,543.40-48,815.10-20,142.30

Finding the Fourth Proportional to 32,543.40, 48,815.10 and 20,142.30

Calculator

Solution

The fourth proportional to 32,543.40, 48,815.10 and 20,142.30 is: 30,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,543.40 : 48,815.10 = 20,142.30 : x
  2. Step 2: Convert to fraction form
    32,543.40/48,815.10 = 20,142.30/x
  3. Step 3: Cross multiply
    32,543.40x = 48,815.10 × 20,142.30
  4. Step 4: Simplify right side
    32,543.40x = 983,248,388.73
  5. Step 5: Solve for x
    x = 983,248,388.73/32,543.40
  6. Step 6: Final answer
    x = 30,213.45

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.