Home / 31,152.70-42,990.71-17,005.54

Finding the Fourth Proportional to 31,152.70, 42,990.71 and 17,005.54

Calculator

Solution

The fourth proportional to 31,152.70, 42,990.71 and 17,005.54 is: 23,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152.70 : 42,990.71 = 17,005.54 : x
  2. Step 2: Convert to fraction form
    31,152.70/42,990.71 = 17,005.54/x
  3. Step 3: Cross multiply
    31,152.70x = 42,990.71 × 17,005.54
  4. Step 4: Simplify right side
    31,152.70x = 731,080,046.03
  5. Step 5: Solve for x
    x = 731,080,046.03/31,152.70
  6. Step 6: Final answer
    x = 23,467.63

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.