Home / 30,121.43-41,567.69-16,692.92

Finding the Fourth Proportional to 30,121.43, 41,567.69 and 16,692.92

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Solution

The fourth proportional to 30,121.43, 41,567.69 and 16,692.92 is: 23,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.43 : 41,567.69 = 16,692.92 : x
  2. Step 2: Convert to fraction form
    30,121.43/41,567.69 = 16,692.92/x
  3. Step 3: Cross multiply
    30,121.43x = 41,567.69 × 16,692.92
  4. Step 4: Simplify right side
    30,121.43x = 693,885,832.45
  5. Step 5: Solve for x
    x = 693,885,832.45/30,121.43
  6. Step 6: Final answer
    x = 23,036.28

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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.