Home / 51,549.30-71,172.15-39,591.18

Finding the Fourth Proportional to 51,549.30, 71,172.15 and 39,591.18

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Solution

The fourth proportional to 51,549.30, 71,172.15 and 39,591.18 is: 54,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.30 : 71,172.15 = 39,591.18 : x
  2. Step 2: Convert to fraction form
    51,549.30/71,172.15 = 39,591.18/x
  3. Step 3: Cross multiply
    51,549.30x = 71,172.15 × 39,591.18
  4. Step 4: Simplify right side
    51,549.30x = 2,817,789,401.64
  5. Step 5: Solve for x
    x = 2,817,789,401.64/51,549.30
  6. Step 6: Final answer
    x = 54,662.03

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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.