Home / 43,532.24-65,237.36-18,538.48

Finding the Fourth Proportional to 43,532.24, 65,237.36 and 18,538.48

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Solution

The fourth proportional to 43,532.24, 65,237.36 and 18,538.48 is: 27,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,532.24 : 65,237.36 = 18,538.48 : x
  2. Step 2: Convert to fraction form
    43,532.24/65,237.36 = 18,538.48/x
  3. Step 3: Cross multiply
    43,532.24x = 65,237.36 × 18,538.48
  4. Step 4: Simplify right side
    43,532.24x = 1,209,401,493.61
  5. Step 5: Solve for x
    x = 1,209,401,493.61/43,532.24
  6. Step 6: Final answer
    x = 27,781.74

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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.