Home / 30,120.99-41,567.31-16,692.47

Finding the Fourth Proportional to 30,120.99, 41,567.31 and 16,692.47

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Solution

The fourth proportional to 30,120.99, 41,567.31 and 16,692.47 is: 23,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.99 : 41,567.31 = 16,692.47 : x
  2. Step 2: Convert to fraction form
    30,120.99/41,567.31 = 16,692.47/x
  3. Step 3: Cross multiply
    30,120.99x = 41,567.31 × 16,692.47
  4. Step 4: Simplify right side
    30,120.99x = 693,861,075.16
  5. Step 5: Solve for x
    x = 693,861,075.16/30,120.99
  6. Step 6: Final answer
    x = 23,035.80

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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.