Home / 48,915.60-73,366.20-13,858.80

Finding the Fourth Proportional to 48,915.60, 73,366.20 and 13,858.80

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Solution

The fourth proportional to 48,915.60, 73,366.20 and 13,858.80 is: 20,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,915.60 : 73,366.20 = 13,858.80 : x
  2. Step 2: Convert to fraction form
    48,915.60/73,366.20 = 13,858.80/x
  3. Step 3: Cross multiply
    48,915.60x = 73,366.20 × 13,858.80
  4. Step 4: Simplify right side
    48,915.60x = 1,016,767,492.56
  5. Step 5: Solve for x
    x = 1,016,767,492.56/48,915.60
  6. Step 6: Final answer
    x = 20,786.16

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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.