Home / 51,229.20-76,843.80-16,172.40

Finding the Fourth Proportional to 51,229.20, 76,843.80 and 16,172.40

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Solution

The fourth proportional to 51,229.20, 76,843.80 and 16,172.40 is: 24,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.20 : 76,843.80 = 16,172.40 : x
  2. Step 2: Convert to fraction form
    51,229.20/76,843.80 = 16,172.40/x
  3. Step 3: Cross multiply
    51,229.20x = 76,843.80 × 16,172.40
  4. Step 4: Simplify right side
    51,229.20x = 1,242,748,671.12
  5. Step 5: Solve for x
    x = 1,242,748,671.12/51,229.20
  6. Step 6: Final answer
    x = 24,258.60

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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.