Home / 57,440.61-86,160.96-18,000.80

Finding the Fourth Proportional to 57,440.61, 86,160.96 and 18,000.80

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Solution

The fourth proportional to 57,440.61, 86,160.96 and 18,000.80 is: 27,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440.61 : 86,160.96 = 18,000.80 : x
  2. Step 2: Convert to fraction form
    57,440.61/86,160.96 = 18,000.80/x
  3. Step 3: Cross multiply
    57,440.61x = 86,160.96 × 18,000.80
  4. Step 4: Simplify right side
    57,440.61x = 1,550,965,777.96
  5. Step 5: Solve for x
    x = 1,550,965,777.96/57,440.61
  6. Step 6: Final answer
    x = 27,001.21

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Similar ratio
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1.5x scale

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.