Home / 35,678.84-53,517.92-10,721.02

Finding the Fourth Proportional to 35,678.84, 53,517.92 and 10,721.02

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Solution

The fourth proportional to 35,678.84, 53,517.92 and 10,721.02 is: 16,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.84 : 53,517.92 = 10,721.02 : x
  2. Step 2: Convert to fraction form
    35,678.84/53,517.92 = 10,721.02/x
  3. Step 3: Cross multiply
    35,678.84x = 53,517.92 × 10,721.02
  4. Step 4: Simplify right side
    35,678.84x = 573,766,690.68
  5. Step 5: Solve for x
    x = 573,766,690.68/35,678.84
  6. Step 6: Final answer
    x = 16,081.43

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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.