Home / 37,185.55-51,315.77-20,189.46

Finding the Fourth Proportional to 37,185.55, 51,315.77 and 20,189.46

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Solution

The fourth proportional to 37,185.55, 51,315.77 and 20,189.46 is: 27,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.55 : 51,315.77 = 20,189.46 : x
  2. Step 2: Convert to fraction form
    37,185.55/51,315.77 = 20,189.46/x
  3. Step 3: Cross multiply
    37,185.55x = 51,315.77 × 20,189.46
  4. Step 4: Simplify right side
    37,185.55x = 1,036,037,685.78
  5. Step 5: Solve for x
    x = 1,036,037,685.78/37,185.55
  6. Step 6: Final answer
    x = 27,861.30

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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.