Home / 47,615.10-71,432.64-18,032.28

Finding the Fourth Proportional to 47,615.10, 71,432.64 and 18,032.28

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Solution

The fourth proportional to 47,615.10, 71,432.64 and 18,032.28 is: 27,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.10 : 71,432.64 = 18,032.28 : x
  2. Step 2: Convert to fraction form
    47,615.10/71,432.64 = 18,032.28/x
  3. Step 3: Cross multiply
    47,615.10x = 71,432.64 × 18,032.28
  4. Step 4: Simplify right side
    47,615.10x = 1,288,093,365.62
  5. Step 5: Solve for x
    x = 1,288,093,365.62/47,615.10
  6. Step 6: Final answer
    x = 27,052.20

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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.