Home / 34,105.77-51,158.30-13,329.09

Finding the Fourth Proportional to 34,105.77, 51,158.30 and 13,329.09

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Solution

The fourth proportional to 34,105.77, 51,158.30 and 13,329.09 is: 19,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.77 : 51,158.30 = 13,329.09 : x
  2. Step 2: Convert to fraction form
    34,105.77/51,158.30 = 13,329.09/x
  3. Step 3: Cross multiply
    34,105.77x = 51,158.30 × 13,329.09
  4. Step 4: Simplify right side
    34,105.77x = 681,893,785.12
  5. Step 5: Solve for x
    x = 681,893,785.12/34,105.77
  6. Step 6: Final answer
    x = 19,993.50

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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.