Home / 38,345.87-57,519.40-12,050.61

Finding the Fourth Proportional to 38,345.87, 57,519.40 and 12,050.61

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Solution

The fourth proportional to 38,345.87, 57,519.40 and 12,050.61 is: 18,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.87 : 57,519.40 = 12,050.61 : x
  2. Step 2: Convert to fraction form
    38,345.87/57,519.40 = 12,050.61/x
  3. Step 3: Cross multiply
    38,345.87x = 57,519.40 × 12,050.61
  4. Step 4: Simplify right side
    38,345.87x = 693,143,826.71
  5. Step 5: Solve for x
    x = 693,143,826.71/38,345.87
  6. Step 6: Final answer
    x = 18,076.10

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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.