Home / 37,286.42-51,456.34-20,291.76

Finding the Fourth Proportional to 37,286.42, 51,456.34 and 20,291.76

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Solution

The fourth proportional to 37,286.42, 51,456.34 and 20,291.76 is: 28,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.42 : 51,456.34 = 20,291.76 : x
  2. Step 2: Convert to fraction form
    37,286.42/51,456.34 = 20,291.76/x
  3. Step 3: Cross multiply
    37,286.42x = 51,456.34 × 20,291.76
  4. Step 4: Simplify right side
    37,286.42x = 1,044,139,651.03
  5. Step 5: Solve for x
    x = 1,044,139,651.03/37,286.42
  6. Step 6: Final answer
    x = 28,003.21

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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.