Home / 51,915.88-71,622.42-38,336.44

Finding the Fourth Proportional to 51,915.88, 71,622.42 and 38,336.44

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Solution

The fourth proportional to 51,915.88, 71,622.42 and 38,336.44 is: 52,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.88 : 71,622.42 = 38,336.44 : x
  2. Step 2: Convert to fraction form
    51,915.88/71,622.42 = 38,336.44/x
  3. Step 3: Cross multiply
    51,915.88x = 71,622.42 × 38,336.44
  4. Step 4: Simplify right side
    51,915.88x = 2,745,748,606.98
  5. Step 5: Solve for x
    x = 2,745,748,606.98/51,915.88
  6. Step 6: Final answer
    x = 52,888.42

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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.