Home / 41,742.22-62,580.39-20,689.51

Finding the Fourth Proportional to 41,742.22, 62,580.39 and 20,689.51

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Solution

The fourth proportional to 41,742.22, 62,580.39 and 20,689.51 is: 31,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,742.22 : 62,580.39 = 20,689.51 : x
  2. Step 2: Convert to fraction form
    41,742.22/62,580.39 = 20,689.51/x
  3. Step 3: Cross multiply
    41,742.22x = 62,580.39 × 20,689.51
  4. Step 4: Simplify right side
    41,742.22x = 1,294,757,604.71
  5. Step 5: Solve for x
    x = 1,294,757,604.71/41,742.22
  6. Step 6: Final answer
    x = 31,017.94

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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.