Home / 45,465.80-68,197.10-13,874.58

Finding the Fourth Proportional to 45,465.80, 68,197.10 and 13,874.58

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Solution

The fourth proportional to 45,465.80, 68,197.10 and 13,874.58 is: 20,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.80 : 68,197.10 = 13,874.58 : x
  2. Step 2: Convert to fraction form
    45,465.80/68,197.10 = 13,874.58/x
  3. Step 3: Cross multiply
    45,465.80x = 68,197.10 × 13,874.58
  4. Step 4: Simplify right side
    45,465.80x = 946,206,119.72
  5. Step 5: Solve for x
    x = 946,206,119.72/45,465.80
  6. Step 6: Final answer
    x = 20,811.38

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1.5x scale

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.