Home / 37,452.88-51,685.39-20,457.61

Finding the Fourth Proportional to 37,452.88, 51,685.39 and 20,457.61

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Solution

The fourth proportional to 37,452.88, 51,685.39 and 20,457.61 is: 28,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,452.88 : 51,685.39 = 20,457.61 : x
  2. Step 2: Convert to fraction form
    37,452.88/51,685.39 = 20,457.61/x
  3. Step 3: Cross multiply
    37,452.88x = 51,685.39 × 20,457.61
  4. Step 4: Simplify right side
    37,452.88x = 1,057,359,738.41
  5. Step 5: Solve for x
    x = 1,057,359,738.41/37,452.88
  6. Step 6: Final answer
    x = 28,231.73

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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.