Home / 51,019.52-76,529.93-13,579.37

Finding the Fourth Proportional to 51,019.52, 76,529.93 and 13,579.37

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Solution

The fourth proportional to 51,019.52, 76,529.93 and 13,579.37 is: 20,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.52 : 76,529.93 = 13,579.37 : x
  2. Step 2: Convert to fraction form
    51,019.52/76,529.93 = 13,579.37/x
  3. Step 3: Cross multiply
    51,019.52x = 76,529.93 × 13,579.37
  4. Step 4: Simplify right side
    51,019.52x = 1,039,228,235.54
  5. Step 5: Solve for x
    x = 1,039,228,235.54/51,019.52
  6. Step 6: Final answer
    x = 20,369.23

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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.