Home / 47,767.36-65,911.56-27,620.32

Finding the Fourth Proportional to 47,767.36, 65,911.56 and 27,620.32

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Solution

The fourth proportional to 47,767.36, 65,911.56 and 27,620.32 is: 38,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,767.36 : 65,911.56 = 27,620.32 : x
  2. Step 2: Convert to fraction form
    47,767.36/65,911.56 = 27,620.32/x
  3. Step 3: Cross multiply
    47,767.36x = 65,911.56 × 27,620.32
  4. Step 4: Simplify right side
    47,767.36x = 1,820,498,378.90
  5. Step 5: Solve for x
    x = 1,820,498,378.90/47,767.36
  6. Step 6: Final answer
    x = 38,111.76

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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.