Home / 48,890.43-67,469.76-31,905.54

Finding the Fourth Proportional to 48,890.43, 67,469.76 and 31,905.54

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Solution

The fourth proportional to 48,890.43, 67,469.76 and 31,905.54 is: 44,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890.43 : 67,469.76 = 31,905.54 : x
  2. Step 2: Convert to fraction form
    48,890.43/67,469.76 = 31,905.54/x
  3. Step 3: Cross multiply
    48,890.43x = 67,469.76 × 31,905.54
  4. Step 4: Simplify right side
    48,890.43x = 2,152,659,126.47
  5. Step 5: Solve for x
    x = 2,152,659,126.47/48,890.43
  6. Step 6: Final answer
    x = 44,030.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.