Home / 33,173.65-45,767.08-21,235.06

Finding the Fourth Proportional to 33,173.65, 45,767.08 and 21,235.06

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Solution

The fourth proportional to 33,173.65, 45,767.08 and 21,235.06 is: 29,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.65 : 45,767.08 = 21,235.06 : x
  2. Step 2: Convert to fraction form
    33,173.65/45,767.08 = 21,235.06/x
  3. Step 3: Cross multiply
    33,173.65x = 45,767.08 × 21,235.06
  4. Step 4: Simplify right side
    33,173.65x = 971,866,654.13
  5. Step 5: Solve for x
    x = 971,866,654.13/33,173.65
  6. Step 6: Final answer
    x = 29,296.34

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Double scale
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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.