Home / 30,178.12-41,646.08-18,249.43

Finding the Fourth Proportional to 30,178.12, 41,646.08 and 18,249.43

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Solution

The fourth proportional to 30,178.12, 41,646.08 and 18,249.43 is: 25,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.12 : 41,646.08 = 18,249.43 : x
  2. Step 2: Convert to fraction form
    30,178.12/41,646.08 = 18,249.43/x
  3. Step 3: Cross multiply
    30,178.12x = 41,646.08 × 18,249.43
  4. Step 4: Simplify right side
    30,178.12x = 760,017,221.73
  5. Step 5: Solve for x
    x = 760,017,221.73/30,178.12
  6. Step 6: Final answer
    x = 25,184.38

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1.5x scale

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.