Home / 48,131.16-66,419.64-26,912.40

Finding the Fourth Proportional to 48,131.16, 66,419.64 and 26,912.40

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Solution

The fourth proportional to 48,131.16, 66,419.64 and 26,912.40 is: 37,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.16 : 66,419.64 = 26,912.40 : x
  2. Step 2: Convert to fraction form
    48,131.16/66,419.64 = 26,912.40/x
  3. Step 3: Cross multiply
    48,131.16x = 66,419.64 × 26,912.40
  4. Step 4: Simplify right side
    48,131.16x = 1,787,511,919.54
  5. Step 5: Solve for x
    x = 1,787,511,919.54/48,131.16
  6. Step 6: Final answer
    x = 37,138.35

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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.