Home / 30,170.39-45,436.26-27,476.94

Finding the Fourth Proportional to 30,170.39, 45,436.26 and 27,476.94

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Solution

The fourth proportional to 30,170.39, 45,436.26 and 27,476.94 is: 41,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.39 : 45,436.26 = 27,476.94 : x
  2. Step 2: Convert to fraction form
    30,170.39/45,436.26 = 27,476.94/x
  3. Step 3: Cross multiply
    30,170.39x = 45,436.26 × 27,476.94
  4. Step 4: Simplify right side
    30,170.39x = 1,248,449,257.75
  5. Step 5: Solve for x
    x = 1,248,449,257.75/30,170.39
  6. Step 6: Final answer
    x = 41,379.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.