Home / 34,826.34-52,239.38-12,639.68

Finding the Fourth Proportional to 34,826.34, 52,239.38 and 12,639.68

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Solution

The fourth proportional to 34,826.34, 52,239.38 and 12,639.68 is: 18,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,826.34 : 52,239.38 = 12,639.68 : x
  2. Step 2: Convert to fraction form
    34,826.34/52,239.38 = 12,639.68/x
  3. Step 3: Cross multiply
    34,826.34x = 52,239.38 × 12,639.68
  4. Step 4: Simplify right side
    34,826.34x = 660,289,046.60
  5. Step 5: Solve for x
    x = 660,289,046.60/34,826.34
  6. Step 6: Final answer
    x = 18,959.47

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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.