Home / 51,575.96-71,173.44-28,915.88

Finding the Fourth Proportional to 51,575.96, 71,173.44 and 28,915.88

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Solution

The fourth proportional to 51,575.96, 71,173.44 and 28,915.88 is: 39,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,575.96 : 71,173.44 = 28,915.88 : x
  2. Step 2: Convert to fraction form
    51,575.96/71,173.44 = 28,915.88/x
  3. Step 3: Cross multiply
    51,575.96x = 71,173.44 × 28,915.88
  4. Step 4: Simplify right side
    51,575.96x = 2,058,042,650.23
  5. Step 5: Solve for x
    x = 2,058,042,650.23/51,575.96
  6. Step 6: Final answer
    x = 39,903.14

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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.