Home / 34,915.35-48,170.25-21,308.56

Finding the Fourth Proportional to 34,915.35, 48,170.25 and 21,308.56

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Solution

The fourth proportional to 34,915.35, 48,170.25 and 21,308.56 is: 29,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.35 : 48,170.25 = 21,308.56 : x
  2. Step 2: Convert to fraction form
    34,915.35/48,170.25 = 21,308.56/x
  3. Step 3: Cross multiply
    34,915.35x = 48,170.25 × 21,308.56
  4. Step 4: Simplify right side
    34,915.35x = 1,026,438,872.80
  5. Step 5: Solve for x
    x = 1,026,438,872.80/34,915.35
  6. Step 6: Final answer
    x = 29,397.93

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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.