Home / 24,730.20-37,099.80-8,085.60

Finding the Fourth Proportional to 24,730.20, 37,099.80 and 8,085.60

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Solution

The fourth proportional to 24,730.20, 37,099.80 and 8,085.60 is: 12,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,730.20 : 37,099.80 = 8,085.60 : x
  2. Step 2: Convert to fraction form
    24,730.20/37,099.80 = 8,085.60/x
  3. Step 3: Cross multiply
    24,730.20x = 37,099.80 × 8,085.60
  4. Step 4: Simplify right side
    24,730.20x = 299,974,142.88
  5. Step 5: Solve for x
    x = 299,974,142.88/24,730.20
  6. Step 6: Final answer
    x = 12,129.87

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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.