Home / 39,646.76-54,713.30-21,740.72

Finding the Fourth Proportional to 39,646.76, 54,713.30 and 21,740.72

Calculator

Solution

The fourth proportional to 39,646.76, 54,713.30 and 21,740.72 is: 30,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.76 : 54,713.30 = 21,740.72 : x
  2. Step 2: Convert to fraction form
    39,646.76/54,713.30 = 21,740.72/x
  3. Step 3: Cross multiply
    39,646.76x = 54,713.30 × 21,740.72
  4. Step 4: Simplify right side
    39,646.76x = 1,189,506,153.31
  5. Step 5: Solve for x
    x = 1,189,506,153.31/39,646.76
  6. Step 6: Final answer
    x = 30,002.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.