Home / 39,676.04-54,752.93-22,680.65

Finding the Fourth Proportional to 39,676.04, 54,752.93 and 22,680.65

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Solution

The fourth proportional to 39,676.04, 54,752.93 and 22,680.65 is: 31,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,676.04 : 54,752.93 = 22,680.65 : x
  2. Step 2: Convert to fraction form
    39,676.04/54,752.93 = 22,680.65/x
  3. Step 3: Cross multiply
    39,676.04x = 54,752.93 × 22,680.65
  4. Step 4: Simplify right side
    39,676.04x = 1,241,831,824.74
  5. Step 5: Solve for x
    x = 1,241,831,824.74/39,676.04
  6. Step 6: Final answer
    x = 31,299.29

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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.