Home / 34,018.38-51,028.09-12,959.59

Finding the Fourth Proportional to 34,018.38, 51,028.09 and 12,959.59

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Solution

The fourth proportional to 34,018.38, 51,028.09 and 12,959.59 is: 19,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,018.38 : 51,028.09 = 12,959.59 : x
  2. Step 2: Convert to fraction form
    34,018.38/51,028.09 = 12,959.59/x
  3. Step 3: Cross multiply
    34,018.38x = 51,028.09 × 12,959.59
  4. Step 4: Simplify right side
    34,018.38x = 661,303,124.88
  5. Step 5: Solve for x
    x = 661,303,124.88/34,018.38
  6. Step 6: Final answer
    x = 19,439.58

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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.