Home / 71,805.39-107,658.12-31,802.66

Finding the Fourth Proportional to 71,805.39, 107,658.12 and 31,802.66

Calculator

Solution

The fourth proportional to 71,805.39, 107,658.12 and 31,802.66 is: 47,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.39 : 107,658.12 = 31,802.66 : x
  2. Step 2: Convert to fraction form
    71,805.39/107,658.12 = 31,802.66/x
  3. Step 3: Cross multiply
    71,805.39x = 107,658.12 × 31,802.66
  4. Step 4: Simplify right side
    71,805.39x = 3,423,814,392.40
  5. Step 5: Solve for x
    x = 3,423,814,392.40/71,805.39
  6. Step 6: Final answer
    x = 47,681.86

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.