Home / 49,326.44-74,009.16-21,605

Finding the Fourth Proportional to 49,326.44, 74,009.16 and 21,605

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Solution

The fourth proportional to 49,326.44, 74,009.16 and 21,605 is: 32,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,326.44 : 74,009.16 = 21,605 : x
  2. Step 2: Convert to fraction form
    49,326.44/74,009.16 = 21,605/x
  3. Step 3: Cross multiply
    49,326.44x = 74,009.16 × 21,605
  4. Step 4: Simplify right side
    49,326.44x = 1,598,967,901.80
  5. Step 5: Solve for x
    x = 1,598,967,901.80/49,326.44
  6. Step 6: Final answer
    x = 32,416.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.