Home / 35,563.19-49,078.17-19,648.64

Finding the Fourth Proportional to 35,563.19, 49,078.17 and 19,648.64

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Solution

The fourth proportional to 35,563.19, 49,078.17 and 19,648.64 is: 27,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.19 : 49,078.17 = 19,648.64 : x
  2. Step 2: Convert to fraction form
    35,563.19/49,078.17 = 19,648.64/x
  3. Step 3: Cross multiply
    35,563.19x = 49,078.17 × 19,648.64
  4. Step 4: Simplify right side
    35,563.19x = 964,319,416.88
  5. Step 5: Solve for x
    x = 964,319,416.88/35,563.19
  6. Step 6: Final answer
    x = 27,115.67

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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.