Home / 37,811.34-52,179.22-20,815.22

Finding the Fourth Proportional to 37,811.34, 52,179.22 and 20,815.22

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Solution

The fourth proportional to 37,811.34, 52,179.22 and 20,815.22 is: 28,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.34 : 52,179.22 = 20,815.22 : x
  2. Step 2: Convert to fraction form
    37,811.34/52,179.22 = 20,815.22/x
  3. Step 3: Cross multiply
    37,811.34x = 52,179.22 × 20,815.22
  4. Step 4: Simplify right side
    37,811.34x = 1,086,121,943.73
  5. Step 5: Solve for x
    x = 1,086,121,943.73/37,811.34
  6. Step 6: Final answer
    x = 28,724.77

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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.