Home / 32,664.81-45,078.35-18,518.57

Finding the Fourth Proportional to 32,664.81, 45,078.35 and 18,518.57

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Solution

The fourth proportional to 32,664.81, 45,078.35 and 18,518.57 is: 25,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.81 : 45,078.35 = 18,518.57 : x
  2. Step 2: Convert to fraction form
    32,664.81/45,078.35 = 18,518.57/x
  3. Step 3: Cross multiply
    32,664.81x = 45,078.35 × 18,518.57
  4. Step 4: Simplify right side
    32,664.81x = 834,786,579.96
  5. Step 5: Solve for x
    x = 834,786,579.96/32,664.81
  6. Step 6: Final answer
    x = 25,556.14

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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.