Home / 38,621.41-57,954.03-20,851.83

Finding the Fourth Proportional to 38,621.41, 57,954.03 and 20,851.83

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Solution

The fourth proportional to 38,621.41, 57,954.03 and 20,851.83 is: 31,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.41 : 57,954.03 = 20,851.83 : x
  2. Step 2: Convert to fraction form
    38,621.41/57,954.03 = 20,851.83/x
  3. Step 3: Cross multiply
    38,621.41x = 57,954.03 × 20,851.83
  4. Step 4: Simplify right side
    38,621.41x = 1,208,447,503.18
  5. Step 5: Solve for x
    x = 1,208,447,503.18/38,621.41
  6. Step 6: Final answer
    x = 31,289.58

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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.