Home / 47,943.88-71,915.78-12,883.52

Finding the Fourth Proportional to 47,943.88, 71,915.78 and 12,883.52

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Solution

The fourth proportional to 47,943.88, 71,915.78 and 12,883.52 is: 19,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.88 : 71,915.78 = 12,883.52 : x
  2. Step 2: Convert to fraction form
    47,943.88/71,915.78 = 12,883.52/x
  3. Step 3: Cross multiply
    47,943.88x = 71,915.78 × 12,883.52
  4. Step 4: Simplify right side
    47,943.88x = 926,528,601.94
  5. Step 5: Solve for x
    x = 926,528,601.94/47,943.88
  6. Step 6: Final answer
    x = 19,325.27

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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.