Home / 38,412.72-57,627.63-11,762.43

Finding the Fourth Proportional to 38,412.72, 57,627.63 and 11,762.43

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Solution

The fourth proportional to 38,412.72, 57,627.63 and 11,762.43 is: 17,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.72 : 57,627.63 = 11,762.43 : x
  2. Step 2: Convert to fraction form
    38,412.72/57,627.63 = 11,762.43/x
  3. Step 3: Cross multiply
    38,412.72x = 57,627.63 × 11,762.43
  4. Step 4: Simplify right side
    38,412.72x = 677,840,963.94
  5. Step 5: Solve for x
    x = 677,840,963.94/38,412.72
  6. Step 6: Final answer
    x = 17,646.26

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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.