Home / 39,907.64-59,872.44-11,829.08

Finding the Fourth Proportional to 39,907.64, 59,872.44 and 11,829.08

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Solution

The fourth proportional to 39,907.64, 59,872.44 and 11,829.08 is: 17,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.64 : 59,872.44 = 11,829.08 : x
  2. Step 2: Convert to fraction form
    39,907.64/59,872.44 = 11,829.08/x
  3. Step 3: Cross multiply
    39,907.64x = 59,872.44 × 11,829.08
  4. Step 4: Simplify right side
    39,907.64x = 708,235,882.56
  5. Step 5: Solve for x
    x = 708,235,882.56/39,907.64
  6. Step 6: Final answer
    x = 17,746.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.