Home / 34,281.48-51,428.32-12,107.72

Finding the Fourth Proportional to 34,281.48, 51,428.32 and 12,107.72

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Solution

The fourth proportional to 34,281.48, 51,428.32 and 12,107.72 is: 18,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.48 : 51,428.32 = 12,107.72 : x
  2. Step 2: Convert to fraction form
    34,281.48/51,428.32 = 12,107.72/x
  3. Step 3: Cross multiply
    34,281.48x = 51,428.32 × 12,107.72
  4. Step 4: Simplify right side
    34,281.48x = 622,679,698.63
  5. Step 5: Solve for x
    x = 622,679,698.63/34,281.48
  6. Step 6: Final answer
    x = 18,163.73

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1.5x scale

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.