Home / 30,773.84-42,452.70-19,286.66

Finding the Fourth Proportional to 30,773.84, 42,452.70 and 19,286.66

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Solution

The fourth proportional to 30,773.84, 42,452.70 and 19,286.66 is: 26,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.84 : 42,452.70 = 19,286.66 : x
  2. Step 2: Convert to fraction form
    30,773.84/42,452.70 = 19,286.66/x
  3. Step 3: Cross multiply
    30,773.84x = 42,452.70 × 19,286.66
  4. Step 4: Simplify right side
    30,773.84x = 818,770,790.98
  5. Step 5: Solve for x
    x = 818,770,790.98/30,773.84
  6. Step 6: Final answer
    x = 26,606.07

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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.