Home / 51,549.53-71,172.62-39,591.50

Finding the Fourth Proportional to 51,549.53, 71,172.62 and 39,591.50

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Solution

The fourth proportional to 51,549.53, 71,172.62 and 39,591.50 is: 54,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.53 : 71,172.62 = 39,591.50 : x
  2. Step 2: Convert to fraction form
    51,549.53/71,172.62 = 39,591.50/x
  3. Step 3: Cross multiply
    51,549.53x = 71,172.62 × 39,591.50
  4. Step 4: Simplify right side
    51,549.53x = 2,817,830,784.73
  5. Step 5: Solve for x
    x = 2,817,830,784.73/51,549.53
  6. Step 6: Final answer
    x = 54,662.59

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1.5x scale

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.