Home / 37,992.45-57,005.40-20,218.95

Finding the Fourth Proportional to 37,992.45, 57,005.40 and 20,218.95

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Solution

The fourth proportional to 37,992.45, 57,005.40 and 20,218.95 is: 30,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,992.45 : 57,005.40 = 20,218.95 : x
  2. Step 2: Convert to fraction form
    37,992.45/57,005.40 = 20,218.95/x
  3. Step 3: Cross multiply
    37,992.45x = 57,005.40 × 20,218.95
  4. Step 4: Simplify right side
    37,992.45x = 1,152,589,332.33
  5. Step 5: Solve for x
    x = 1,152,589,332.33/37,992.45
  6. Step 6: Final answer
    x = 30,337.33

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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.