Home / 56,134.28-84,128.49-22,815.54

Finding the Fourth Proportional to 56,134.28, 84,128.49 and 22,815.54

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Solution

The fourth proportional to 56,134.28, 84,128.49 and 22,815.54 is: 34,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.28 : 84,128.49 = 22,815.54 : x
  2. Step 2: Convert to fraction form
    56,134.28/84,128.49 = 22,815.54/x
  3. Step 3: Cross multiply
    56,134.28x = 84,128.49 × 22,815.54
  4. Step 4: Simplify right side
    56,134.28x = 1,919,436,928.73
  5. Step 5: Solve for x
    x = 1,919,436,928.73/56,134.28
  6. Step 6: Final answer
    x = 34,193.67

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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.