Home / 37,428.94-56,152.26-12,128.41

Finding the Fourth Proportional to 37,428.94, 56,152.26 and 12,128.41

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Solution

The fourth proportional to 37,428.94, 56,152.26 and 12,128.41 is: 18,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.94 : 56,152.26 = 12,128.41 : x
  2. Step 2: Convert to fraction form
    37,428.94/56,152.26 = 12,128.41/x
  3. Step 3: Cross multiply
    37,428.94x = 56,152.26 × 12,128.41
  4. Step 4: Simplify right side
    37,428.94x = 681,037,631.71
  5. Step 5: Solve for x
    x = 681,037,631.71/37,428.94
  6. Step 6: Final answer
    x = 18,195.48

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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.