Home / 39,090.50-58,635.75-17,202.50

Finding the Fourth Proportional to 39,090.50, 58,635.75 and 17,202.50

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Solution

The fourth proportional to 39,090.50, 58,635.75 and 17,202.50 is: 25,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.50 : 58,635.75 = 17,202.50 : x
  2. Step 2: Convert to fraction form
    39,090.50/58,635.75 = 17,202.50/x
  3. Step 3: Cross multiply
    39,090.50x = 58,635.75 × 17,202.50
  4. Step 4: Simplify right side
    39,090.50x = 1,008,681,489.38
  5. Step 5: Solve for x
    x = 1,008,681,489.38/39,090.50
  6. Step 6: Final answer
    x = 25,803.75

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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.