Home / 33,000.98-45,537.27-21,071.30

Finding the Fourth Proportional to 33,000.98, 45,537.27 and 21,071.30

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Solution

The fourth proportional to 33,000.98, 45,537.27 and 21,071.30 is: 29,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.98 : 45,537.27 = 21,071.30 : x
  2. Step 2: Convert to fraction form
    33,000.98/45,537.27 = 21,071.30/x
  3. Step 3: Cross multiply
    33,000.98x = 45,537.27 × 21,071.30
  4. Step 4: Simplify right side
    33,000.98x = 959,529,477.35
  5. Step 5: Solve for x
    x = 959,529,477.35/33,000.98
  6. Step 6: Final answer
    x = 29,075.79

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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.