Home / 37,185.30-51,315.43-20,189.21

Finding the Fourth Proportional to 37,185.30, 51,315.43 and 20,189.21

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Solution

The fourth proportional to 37,185.30, 51,315.43 and 20,189.21 is: 27,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.30 : 51,315.43 = 20,189.21 : x
  2. Step 2: Convert to fraction form
    37,185.30/51,315.43 = 20,189.21/x
  3. Step 3: Cross multiply
    37,185.30x = 51,315.43 × 20,189.21
  4. Step 4: Simplify right side
    37,185.30x = 1,036,017,634.99
  5. Step 5: Solve for x
    x = 1,036,017,634.99/37,185.30
  6. Step 6: Final answer
    x = 27,860.95

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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.