Home / 30,488.78-45,611.06-26,372.96

Finding the Fourth Proportional to 30,488.78, 45,611.06 and 26,372.96

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Solution

The fourth proportional to 30,488.78, 45,611.06 and 26,372.96 is: 39,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.78 : 45,611.06 = 26,372.96 : x
  2. Step 2: Convert to fraction form
    30,488.78/45,611.06 = 26,372.96/x
  3. Step 3: Cross multiply
    30,488.78x = 45,611.06 × 26,372.96
  4. Step 4: Simplify right side
    30,488.78x = 1,202,898,660.94
  5. Step 5: Solve for x
    x = 1,202,898,660.94/30,488.78
  6. Step 6: Final answer
    x = 39,453.81

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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.