Home / 30,121.05-41,567.34-16,692.47

Finding the Fourth Proportional to 30,121.05, 41,567.34 and 16,692.47

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Solution

The fourth proportional to 30,121.05, 41,567.34 and 16,692.47 is: 23,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.05 : 41,567.34 = 16,692.47 : x
  2. Step 2: Convert to fraction form
    30,121.05/41,567.34 = 16,692.47/x
  3. Step 3: Cross multiply
    30,121.05x = 41,567.34 × 16,692.47
  4. Step 4: Simplify right side
    30,121.05x = 693,861,368.09
  5. Step 5: Solve for x
    x = 693,861,368.09/30,121.05
  6. Step 6: Final answer
    x = 23,035.76

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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.