Home / 50,300.32-69,410.30-27,638.16

Finding the Fourth Proportional to 50,300.32, 69,410.30 and 27,638.16

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Solution

The fourth proportional to 50,300.32, 69,410.30 and 27,638.16 is: 38,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,300.32 : 69,410.30 = 27,638.16 : x
  2. Step 2: Convert to fraction form
    50,300.32/69,410.30 = 27,638.16/x
  3. Step 3: Cross multiply
    50,300.32x = 69,410.30 × 27,638.16
  4. Step 4: Simplify right side
    50,300.32x = 1,918,372,977.05
  5. Step 5: Solve for x
    x = 1,918,372,977.05/50,300.32
  6. Step 6: Final answer
    x = 38,138.39

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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.