Home / 48,498.11-66,917.35-28,351.09

Finding the Fourth Proportional to 48,498.11, 66,917.35 and 28,351.09

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Solution

The fourth proportional to 48,498.11, 66,917.35 and 28,351.09 is: 39,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498.11 : 66,917.35 = 28,351.09 : x
  2. Step 2: Convert to fraction form
    48,498.11/66,917.35 = 28,351.09/x
  3. Step 3: Cross multiply
    48,498.11x = 66,917.35 × 28,351.09
  4. Step 4: Simplify right side
    48,498.11x = 1,897,179,812.41
  5. Step 5: Solve for x
    x = 1,897,179,812.41/48,498.11
  6. Step 6: Final answer
    x = 39,118.63

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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.