Home / 33,004.98-45,542.79-21,075.30

Finding the Fourth Proportional to 33,004.98, 45,542.79 and 21,075.30

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Solution

The fourth proportional to 33,004.98, 45,542.79 and 21,075.30 is: 29,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,004.98 : 45,542.79 = 21,075.30 : x
  2. Step 2: Convert to fraction form
    33,004.98/45,542.79 = 21,075.30/x
  3. Step 3: Cross multiply
    33,004.98x = 45,542.79 × 21,075.30
  4. Step 4: Simplify right side
    33,004.98x = 959,827,962.09
  5. Step 5: Solve for x
    x = 959,827,962.09/33,004.98
  6. Step 6: Final answer
    x = 29,081.31

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1.5x scale

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.