Home / 37,812.71-52,179.23-20,813.64

Finding the Fourth Proportional to 37,812.71, 52,179.23 and 20,813.64

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Solution

The fourth proportional to 37,812.71, 52,179.23 and 20,813.64 is: 28,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.71 : 52,179.23 = 20,813.64 : x
  2. Step 2: Convert to fraction form
    37,812.71/52,179.23 = 20,813.64/x
  3. Step 3: Cross multiply
    37,812.71x = 52,179.23 × 20,813.64
  4. Step 4: Simplify right side
    37,812.71x = 1,086,039,760.73
  5. Step 5: Solve for x
    x = 1,086,039,760.73/37,812.71
  6. Step 6: Final answer
    x = 28,721.56

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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.