Home / 39,655.98-54,725.97-21,751.89

Finding the Fourth Proportional to 39,655.98, 54,725.97 and 21,751.89

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Solution

The fourth proportional to 39,655.98, 54,725.97 and 21,751.89 is: 30,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.98 : 54,725.97 = 21,751.89 : x
  2. Step 2: Convert to fraction form
    39,655.98/54,725.97 = 21,751.89/x
  3. Step 3: Cross multiply
    39,655.98x = 54,725.97 × 21,751.89
  4. Step 4: Simplify right side
    39,655.98x = 1,190,393,279.58
  5. Step 5: Solve for x
    x = 1,190,393,279.58/39,655.98
  6. Step 6: Final answer
    x = 30,018.00

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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.