Home / 37,919.80-56,889.08-17,137.72

Finding the Fourth Proportional to 37,919.80, 56,889.08 and 17,137.72

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Solution

The fourth proportional to 37,919.80, 56,889.08 and 17,137.72 is: 25,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,919.80 : 56,889.08 = 17,137.72 : x
  2. Step 2: Convert to fraction form
    37,919.80/56,889.08 = 17,137.72/x
  3. Step 3: Cross multiply
    37,919.80x = 56,889.08 × 17,137.72
  4. Step 4: Simplify right side
    37,919.80x = 974,949,124.10
  5. Step 5: Solve for x
    x = 974,949,124.10/37,919.80
  6. Step 6: Final answer
    x = 25,710.82

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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.