Home / 37,438.94-51,665.34-20,443.15

Finding the Fourth Proportional to 37,438.94, 51,665.34 and 20,443.15

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Solution

The fourth proportional to 37,438.94, 51,665.34 and 20,443.15 is: 28,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.94 : 51,665.34 = 20,443.15 : x
  2. Step 2: Convert to fraction form
    37,438.94/51,665.34 = 20,443.15/x
  3. Step 3: Cross multiply
    37,438.94x = 51,665.34 × 20,443.15
  4. Step 4: Simplify right side
    37,438.94x = 1,056,202,436.66
  5. Step 5: Solve for x
    x = 1,056,202,436.66/37,438.94
  6. Step 6: Final answer
    x = 28,211.33

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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.