Home / 34,265.06-51,399.72-13,205.20

Finding the Fourth Proportional to 34,265.06, 51,399.72 and 13,205.20

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Solution

The fourth proportional to 34,265.06, 51,399.72 and 13,205.20 is: 19,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.06 : 51,399.72 = 13,205.20 : x
  2. Step 2: Convert to fraction form
    34,265.06/51,399.72 = 13,205.20/x
  3. Step 3: Cross multiply
    34,265.06x = 51,399.72 × 13,205.20
  4. Step 4: Simplify right side
    34,265.06x = 678,743,582.54
  5. Step 5: Solve for x
    x = 678,743,582.54/34,265.06
  6. Step 6: Final answer
    x = 19,808.62

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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.