Home / 30,121.35-41,567.55-16,692.83

Finding the Fourth Proportional to 30,121.35, 41,567.55 and 16,692.83

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Solution

The fourth proportional to 30,121.35, 41,567.55 and 16,692.83 is: 23,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.35 : 41,567.55 = 16,692.83 : x
  2. Step 2: Convert to fraction form
    30,121.35/41,567.55 = 16,692.83/x
  3. Step 3: Cross multiply
    30,121.35x = 41,567.55 × 16,692.83
  4. Step 4: Simplify right side
    30,121.35x = 693,879,837.83
  5. Step 5: Solve for x
    x = 693,879,837.83/30,121.35
  6. Step 6: Final answer
    x = 23,036.15

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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.