Home / 45,465.44-68,198.16-13,875.66

Finding the Fourth Proportional to 45,465.44, 68,198.16 and 13,875.66

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Solution

The fourth proportional to 45,465.44, 68,198.16 and 13,875.66 is: 20,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.44 : 68,198.16 = 13,875.66 : x
  2. Step 2: Convert to fraction form
    45,465.44/68,198.16 = 13,875.66/x
  3. Step 3: Cross multiply
    45,465.44x = 68,198.16 × 13,875.66
  4. Step 4: Simplify right side
    45,465.44x = 946,294,480.79
  5. Step 5: Solve for x
    x = 946,294,480.79/45,465.44
  6. Step 6: Final answer
    x = 20,813.49

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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.