Home / 70,739.30-97,620.28-38,910.62

Finding the Fourth Proportional to 70,739.30, 97,620.28 and 38,910.62

Calculator

Solution

The fourth proportional to 70,739.30, 97,620.28 and 38,910.62 is: 53,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739.30 : 97,620.28 = 38,910.62 : x
  2. Step 2: Convert to fraction form
    70,739.30/97,620.28 = 38,910.62/x
  3. Step 3: Cross multiply
    70,739.30x = 97,620.28 × 38,910.62
  4. Step 4: Simplify right side
    70,739.30x = 3,798,465,034.00
  5. Step 5: Solve for x
    x = 3,798,465,034.00/70,739.30
  6. Step 6: Final answer
    x = 53,696.68

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.