Home / 34,720.92-47,915.06-18,805.41

Finding the Fourth Proportional to 34,720.92, 47,915.06 and 18,805.41

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Solution

The fourth proportional to 34,720.92, 47,915.06 and 18,805.41 is: 25,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.92 : 47,915.06 = 18,805.41 : x
  2. Step 2: Convert to fraction form
    34,720.92/47,915.06 = 18,805.41/x
  3. Step 3: Cross multiply
    34,720.92x = 47,915.06 × 18,805.41
  4. Step 4: Simplify right side
    34,720.92x = 901,062,254.45
  5. Step 5: Solve for x
    x = 901,062,254.45/34,720.92
  6. Step 6: Final answer
    x = 25,951.57

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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.