Home / 37,117.30-55,682.70-12,150.40

Finding the Fourth Proportional to 37,117.30, 55,682.70 and 12,150.40

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Solution

The fourth proportional to 37,117.30, 55,682.70 and 12,150.40 is: 18,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.30 : 55,682.70 = 12,150.40 : x
  2. Step 2: Convert to fraction form
    37,117.30/55,682.70 = 12,150.40/x
  3. Step 3: Cross multiply
    37,117.30x = 55,682.70 × 12,150.40
  4. Step 4: Simplify right side
    37,117.30x = 676,567,078.08
  5. Step 5: Solve for x
    x = 676,567,078.08/37,117.30
  6. Step 6: Final answer
    x = 18,227.81

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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.