Home / 30,297.98-41,811.12-16,868.89

Finding the Fourth Proportional to 30,297.98, 41,811.12 and 16,868.89

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Solution

The fourth proportional to 30,297.98, 41,811.12 and 16,868.89 is: 23,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.98 : 41,811.12 = 16,868.89 : x
  2. Step 2: Convert to fraction form
    30,297.98/41,811.12 = 16,868.89/x
  3. Step 3: Cross multiply
    30,297.98x = 41,811.12 × 16,868.89
  4. Step 4: Simplify right side
    30,297.98x = 705,306,890.66
  5. Step 5: Solve for x
    x = 705,306,890.66/30,297.98
  6. Step 6: Final answer
    x = 23,279.01

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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.