Home / 30,149.30-41,601.84-20,084.24

Finding the Fourth Proportional to 30,149.30, 41,601.84 and 20,084.24

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Solution

The fourth proportional to 30,149.30, 41,601.84 and 20,084.24 is: 27,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.30 : 41,601.84 = 20,084.24 : x
  2. Step 2: Convert to fraction form
    30,149.30/41,601.84 = 20,084.24/x
  3. Step 3: Cross multiply
    30,149.30x = 41,601.84 × 20,084.24
  4. Step 4: Simplify right side
    30,149.30x = 835,541,130.99
  5. Step 5: Solve for x
    x = 835,541,130.99/30,149.30
  6. Step 6: Final answer
    x = 27,713.46

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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.