Home / 45,810.36-68,650.74-19,488.60

Finding the Fourth Proportional to 45,810.36, 68,650.74 and 19,488.60

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Solution

The fourth proportional to 45,810.36, 68,650.74 and 19,488.60 is: 29,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.36 : 68,650.74 = 19,488.60 : x
  2. Step 2: Convert to fraction form
    45,810.36/68,650.74 = 19,488.60/x
  3. Step 3: Cross multiply
    45,810.36x = 68,650.74 × 19,488.60
  4. Step 4: Simplify right side
    45,810.36x = 1,337,906,811.56
  5. Step 5: Solve for x
    x = 1,337,906,811.56/45,810.36
  6. Step 6: Final answer
    x = 29,205.33

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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.