Home / 30,421.46-41,965.89-19,249.94

Finding the Fourth Proportional to 30,421.46, 41,965.89 and 19,249.94

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Solution

The fourth proportional to 30,421.46, 41,965.89 and 19,249.94 is: 26,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.46 : 41,965.89 = 19,249.94 : x
  2. Step 2: Convert to fraction form
    30,421.46/41,965.89 = 19,249.94/x
  3. Step 3: Cross multiply
    30,421.46x = 41,965.89 × 19,249.94
  4. Step 4: Simplify right side
    30,421.46x = 807,840,864.55
  5. Step 5: Solve for x
    x = 807,840,864.55/30,421.46
  6. Step 6: Final answer
    x = 26,554.97

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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.