Home / 37,286.97-51,457.05-20,291.37

Finding the Fourth Proportional to 37,286.97, 51,457.05 and 20,291.37

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Solution

The fourth proportional to 37,286.97, 51,457.05 and 20,291.37 is: 28,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.97 : 51,457.05 = 20,291.37 : x
  2. Step 2: Convert to fraction form
    37,286.97/51,457.05 = 20,291.37/x
  3. Step 3: Cross multiply
    37,286.97x = 51,457.05 × 20,291.37
  4. Step 4: Simplify right side
    37,286.97x = 1,044,134,040.66
  5. Step 5: Solve for x
    x = 1,044,134,040.66/37,286.97
  6. Step 6: Final answer
    x = 28,002.65

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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.