Home / 34,305.96-51,429.36-13,260.77

Finding the Fourth Proportional to 34,305.96, 51,429.36 and 13,260.77

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Solution

The fourth proportional to 34,305.96, 51,429.36 and 13,260.77 is: 19,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.96 : 51,429.36 = 13,260.77 : x
  2. Step 2: Convert to fraction form
    34,305.96/51,429.36 = 13,260.77/x
  3. Step 3: Cross multiply
    34,305.96x = 51,429.36 × 13,260.77
  4. Step 4: Simplify right side
    34,305.96x = 681,992,657.06
  5. Step 5: Solve for x
    x = 681,992,657.06/34,305.96
  6. Step 6: Final answer
    x = 19,879.71

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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.