Home / 37,701.22-56,542.49-12,740.71

Finding the Fourth Proportional to 37,701.22, 56,542.49 and 12,740.71

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Solution

The fourth proportional to 37,701.22, 56,542.49 and 12,740.71 is: 19,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,701.22 : 56,542.49 = 12,740.71 : x
  2. Step 2: Convert to fraction form
    37,701.22/56,542.49 = 12,740.71/x
  3. Step 3: Cross multiply
    37,701.22x = 56,542.49 × 12,740.71
  4. Step 4: Simplify right side
    37,701.22x = 720,391,467.77
  5. Step 5: Solve for x
    x = 720,391,467.77/37,701.22
  6. Step 6: Final answer
    x = 19,107.91

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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.