Home / 37,090.72-55,643.37-13,717.36

Finding the Fourth Proportional to 37,090.72, 55,643.37 and 13,717.36

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Solution

The fourth proportional to 37,090.72, 55,643.37 and 13,717.36 is: 20,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.72 : 55,643.37 = 13,717.36 : x
  2. Step 2: Convert to fraction form
    37,090.72/55,643.37 = 13,717.36/x
  3. Step 3: Cross multiply
    37,090.72x = 55,643.37 × 13,717.36
  4. Step 4: Simplify right side
    37,090.72x = 763,280,137.90
  5. Step 5: Solve for x
    x = 763,280,137.90/37,090.72
  6. Step 6: Final answer
    x = 20,578.74

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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.