Home / 59,640.12-82,279.80-38,431.76

Finding the Fourth Proportional to 59,640.12, 82,279.80 and 38,431.76

Calculator

Solution

The fourth proportional to 59,640.12, 82,279.80 and 38,431.76 is: 53,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.12 : 82,279.80 = 38,431.76 : x
  2. Step 2: Convert to fraction form
    59,640.12/82,279.80 = 38,431.76/x
  3. Step 3: Cross multiply
    59,640.12x = 82,279.80 × 38,431.76
  4. Step 4: Simplify right side
    59,640.12x = 3,162,157,526.45
  5. Step 5: Solve for x
    x = 3,162,157,526.45/59,640.12
  6. Step 6: Final answer
    x = 53,020.64

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.