Home / 31,381.95-43,307.39-17,235.09

Finding the Fourth Proportional to 31,381.95, 43,307.39 and 17,235.09

Calculator

Solution

The fourth proportional to 31,381.95, 43,307.39 and 17,235.09 is: 23,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.95 : 43,307.39 = 17,235.09 : x
  2. Step 2: Convert to fraction form
    31,381.95/43,307.39 = 17,235.09/x
  3. Step 3: Cross multiply
    31,381.95x = 43,307.39 × 17,235.09
  4. Step 4: Simplify right side
    31,381.95x = 746,406,764.32
  5. Step 5: Solve for x
    x = 746,406,764.32/31,381.95
  6. Step 6: Final answer
    x = 23,784.59

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.