Home / 37,867.09-56,780.69-20,107.71

Finding the Fourth Proportional to 37,867.09, 56,780.69 and 20,107.71

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Solution

The fourth proportional to 37,867.09, 56,780.69 and 20,107.71 is: 30,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,867.09 : 56,780.69 = 20,107.71 : x
  2. Step 2: Convert to fraction form
    37,867.09/56,780.69 = 20,107.71/x
  3. Step 3: Cross multiply
    37,867.09x = 56,780.69 × 20,107.71
  4. Step 4: Simplify right side
    37,867.09x = 1,141,729,648.12
  5. Step 5: Solve for x
    x = 1,141,729,648.12/37,867.09
  6. Step 6: Final answer
    x = 30,150.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.