Home / 30,208.53-41,687.19-16,779.18

Finding the Fourth Proportional to 30,208.53, 41,687.19 and 16,779.18

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Solution

The fourth proportional to 30,208.53, 41,687.19 and 16,779.18 is: 23,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.53 : 41,687.19 = 16,779.18 : x
  2. Step 2: Convert to fraction form
    30,208.53/41,687.19 = 16,779.18/x
  3. Step 3: Cross multiply
    30,208.53x = 41,687.19 × 16,779.18
  4. Step 4: Simplify right side
    30,208.53x = 699,476,864.70
  5. Step 5: Solve for x
    x = 699,476,864.70/30,208.53
  6. Step 6: Final answer
    x = 23,154.95

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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.