Home / 31,549.12-43,537.20-17,209.08

Finding the Fourth Proportional to 31,549.12, 43,537.20 and 17,209.08

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Solution

The fourth proportional to 31,549.12, 43,537.20 and 17,209.08 is: 23,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.12 : 43,537.20 = 17,209.08 : x
  2. Step 2: Convert to fraction form
    31,549.12/43,537.20 = 17,209.08/x
  3. Step 3: Cross multiply
    31,549.12x = 43,537.20 × 17,209.08
  4. Step 4: Simplify right side
    31,549.12x = 749,235,157.78
  5. Step 5: Solve for x
    x = 749,235,157.78/31,549.12
  6. Step 6: Final answer
    x = 23,748.21

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