Home / 41,158.76-61,673.28-31,821.64

Finding the Fourth Proportional to 41,158.76, 61,673.28 and 31,821.64

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Solution

The fourth proportional to 41,158.76, 61,673.28 and 31,821.64 is: 47,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,158.76 : 61,673.28 = 31,821.64 : x
  2. Step 2: Convert to fraction form
    41,158.76/61,673.28 = 31,821.64/x
  3. Step 3: Cross multiply
    41,158.76x = 61,673.28 × 31,821.64
  4. Step 4: Simplify right side
    41,158.76x = 1,962,544,913.78
  5. Step 5: Solve for x
    x = 1,962,544,913.78/41,158.76
  6. Step 6: Final answer
    x = 47,682.31

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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.