Home / 31,985.56-44,125.80-18,549.03

Finding the Fourth Proportional to 31,985.56, 44,125.80 and 18,549.03

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Solution

The fourth proportional to 31,985.56, 44,125.80 and 18,549.03 is: 25,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,985.56 : 44,125.80 = 18,549.03 : x
  2. Step 2: Convert to fraction form
    31,985.56/44,125.80 = 18,549.03/x
  3. Step 3: Cross multiply
    31,985.56x = 44,125.80 × 18,549.03
  4. Step 4: Simplify right side
    31,985.56x = 818,491,040.39
  5. Step 5: Solve for x
    x = 818,491,040.39/31,985.56
  6. Step 6: Final answer
    x = 25,589.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.