Home / 37,133.79-55,702.51-12,163.72

Finding the Fourth Proportional to 37,133.79, 55,702.51 and 12,163.72

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Solution

The fourth proportional to 37,133.79, 55,702.51 and 12,163.72 is: 18,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,133.79 : 55,702.51 = 12,163.72 : x
  2. Step 2: Convert to fraction form
    37,133.79/55,702.51 = 12,163.72/x
  3. Step 3: Cross multiply
    37,133.79x = 55,702.51 × 12,163.72
  4. Step 4: Simplify right side
    37,133.79x = 677,549,734.94
  5. Step 5: Solve for x
    x = 677,549,734.94/37,133.79
  6. Step 6: Final answer
    x = 18,246.18

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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.