Home / 48,138.53-66,431.39-26,917.80

Finding the Fourth Proportional to 48,138.53, 66,431.39 and 26,917.80

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Solution

The fourth proportional to 48,138.53, 66,431.39 and 26,917.80 is: 37,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.53 : 66,431.39 = 26,917.80 : x
  2. Step 2: Convert to fraction form
    48,138.53/66,431.39 = 26,917.80/x
  3. Step 3: Cross multiply
    48,138.53x = 66,431.39 × 26,917.80
  4. Step 4: Simplify right side
    48,138.53x = 1,788,186,735.15
  5. Step 5: Solve for x
    x = 1,788,186,735.15/48,138.53
  6. Step 6: Final answer
    x = 37,146.69

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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.