Home / 35.70-53.46-30.66

Finding the Fourth Proportional to 35.70, 53.46 and 30.66

Calculator

Solution

The fourth proportional to 35.70, 53.46 and 30.66 is: 45.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.70 : 53.46 = 30.66 : x
  2. Step 2: Convert to fraction form
    35.70/53.46 = 30.66/x
  3. Step 3: Cross multiply
    35.70x = 53.46 × 30.66
  4. Step 4: Simplify right side
    35.70x = 1,639.08
  5. Step 5: Solve for x
    x = 1,639.08/35.70
  6. Step 6: Final answer
    x = 45.91

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.