Home / 30,122.82-41,570.40-16,692.81

Finding the Fourth Proportional to 30,122.82, 41,570.40 and 16,692.81

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Solution

The fourth proportional to 30,122.82, 41,570.40 and 16,692.81 is: 23,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.82 : 41,570.40 = 16,692.81 : x
  2. Step 2: Convert to fraction form
    30,122.82/41,570.40 = 16,692.81/x
  3. Step 3: Cross multiply
    30,122.82x = 41,570.40 × 16,692.81
  4. Step 4: Simplify right side
    30,122.82x = 693,926,788.82
  5. Step 5: Solve for x
    x = 693,926,788.82/30,122.82
  6. Step 6: Final answer
    x = 23,036.58

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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.