Home / 37,422.30-56,121.30-12,458.10

Finding the Fourth Proportional to 37,422.30, 56,121.30 and 12,458.10

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Solution

The fourth proportional to 37,422.30, 56,121.30 and 12,458.10 is: 18,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.30 : 56,121.30 = 12,458.10 : x
  2. Step 2: Convert to fraction form
    37,422.30/56,121.30 = 12,458.10/x
  3. Step 3: Cross multiply
    37,422.30x = 56,121.30 × 12,458.10
  4. Step 4: Simplify right side
    37,422.30x = 699,164,767.53
  5. Step 5: Solve for x
    x = 699,164,767.53/37,422.30
  6. Step 6: Final answer
    x = 18,683.11

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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.