Home / 48,123.20-72,206.40-21,814.40

Finding the Fourth Proportional to 48,123.20, 72,206.40 and 21,814.40

Calculator

Solution

The fourth proportional to 48,123.20, 72,206.40 and 21,814.40 is: 32,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123.20 : 72,206.40 = 21,814.40 : x
  2. Step 2: Convert to fraction form
    48,123.20/72,206.40 = 21,814.40/x
  3. Step 3: Cross multiply
    48,123.20x = 72,206.40 × 21,814.40
  4. Step 4: Simplify right side
    48,123.20x = 1,575,139,292.16
  5. Step 5: Solve for x
    x = 1,575,139,292.16/48,123.20
  6. Step 6: Final answer
    x = 32,731.39

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.