Home / 50,517.12-69,712.10-27,856.10

Finding the Fourth Proportional to 50,517.12, 69,712.10 and 27,856.10

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Solution

The fourth proportional to 50,517.12, 69,712.10 and 27,856.10 is: 38,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,517.12 : 69,712.10 = 27,856.10 : x
  2. Step 2: Convert to fraction form
    50,517.12/69,712.10 = 27,856.10/x
  3. Step 3: Cross multiply
    50,517.12x = 69,712.10 × 27,856.10
  4. Step 4: Simplify right side
    50,517.12x = 1,941,907,228.81
  5. Step 5: Solve for x
    x = 1,941,907,228.81/50,517.12
  6. Step 6: Final answer
    x = 38,440.58

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Half scale
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Double scale
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Similar ratio
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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.