Home / 30,121.29-41,567.73-16,692.77

Finding the Fourth Proportional to 30,121.29, 41,567.73 and 16,692.77

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Solution

The fourth proportional to 30,121.29, 41,567.73 and 16,692.77 is: 23,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.29 : 41,567.73 = 16,692.77 : x
  2. Step 2: Convert to fraction form
    30,121.29/41,567.73 = 16,692.77/x
  3. Step 3: Cross multiply
    30,121.29x = 41,567.73 × 16,692.77
  4. Step 4: Simplify right side
    30,121.29x = 693,880,348.47
  5. Step 5: Solve for x
    x = 693,880,348.47/30,121.29
  6. Step 6: Final answer
    x = 23,036.21

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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.