Home / 39,570.98-54,605.86-21,662.54

Finding the Fourth Proportional to 39,570.98, 54,605.86 and 21,662.54

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Solution

The fourth proportional to 39,570.98, 54,605.86 and 21,662.54 is: 29,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.98 : 54,605.86 = 21,662.54 : x
  2. Step 2: Convert to fraction form
    39,570.98/54,605.86 = 21,662.54/x
  3. Step 3: Cross multiply
    39,570.98x = 54,605.86 × 21,662.54
  4. Step 4: Simplify right side
    39,570.98x = 1,182,901,626.48
  5. Step 5: Solve for x
    x = 1,182,901,626.48/39,570.98
  6. Step 6: Final answer
    x = 29,893.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.