Home / 29,579.71-40,821.66-16,152.21

Finding the Fourth Proportional to 29,579.71, 40,821.66 and 16,152.21

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Solution

The fourth proportional to 29,579.71, 40,821.66 and 16,152.21 is: 22,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.71 : 40,821.66 = 16,152.21 : x
  2. Step 2: Convert to fraction form
    29,579.71/40,821.66 = 16,152.21/x
  3. Step 3: Cross multiply
    29,579.71x = 40,821.66 × 16,152.21
  4. Step 4: Simplify right side
    29,579.71x = 659,360,066.35
  5. Step 5: Solve for x
    x = 659,360,066.35/29,579.71
  6. Step 6: Final answer
    x = 22,290.96

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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.