Home / 34,915.75-48,175.33-20,576.17

Finding the Fourth Proportional to 34,915.75, 48,175.33 and 20,576.17

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Solution

The fourth proportional to 34,915.75, 48,175.33 and 20,576.17 is: 28,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.75 : 48,175.33 = 20,576.17 : x
  2. Step 2: Convert to fraction form
    34,915.75/48,175.33 = 20,576.17/x
  3. Step 3: Cross multiply
    34,915.75x = 48,175.33 × 20,576.17
  4. Step 4: Simplify right side
    34,915.75x = 991,263,436.13
  5. Step 5: Solve for x
    x = 991,263,436.13/34,915.75
  6. Step 6: Final answer
    x = 28,390.16

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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.