Home / 35,310.78-48,742.76-21,160.89

Finding the Fourth Proportional to 35,310.78, 48,742.76 and 21,160.89

Calculator

Solution

The fourth proportional to 35,310.78, 48,742.76 and 21,160.89 is: 29,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.78 : 48,742.76 = 21,160.89 : x
  2. Step 2: Convert to fraction form
    35,310.78/48,742.76 = 21,160.89/x
  3. Step 3: Cross multiply
    35,310.78x = 48,742.76 × 21,160.89
  4. Step 4: Simplify right side
    35,310.78x = 1,031,440,182.66
  5. Step 5: Solve for x
    x = 1,031,440,182.66/35,310.78
  6. Step 6: Final answer
    x = 29,210.35

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.