Home / 34,542.98-51,726.96-21,355.36

Finding the Fourth Proportional to 34,542.98, 51,726.96 and 21,355.36

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Solution

The fourth proportional to 34,542.98, 51,726.96 and 21,355.36 is: 31,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542.98 : 51,726.96 = 21,355.36 : x
  2. Step 2: Convert to fraction form
    34,542.98/51,726.96 = 21,355.36/x
  3. Step 3: Cross multiply
    34,542.98x = 51,726.96 × 21,355.36
  4. Step 4: Simplify right side
    34,542.98x = 1,104,647,852.51
  5. Step 5: Solve for x
    x = 1,104,647,852.51/34,542.98
  6. Step 6: Final answer
    x = 31,978.94

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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.