Home / 39,381.72-59,054.80-11,295.32

Finding the Fourth Proportional to 39,381.72, 59,054.80 and 11,295.32

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Solution

The fourth proportional to 39,381.72, 59,054.80 and 11,295.32 is: 16,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,381.72 : 59,054.80 = 11,295.32 : x
  2. Step 2: Convert to fraction form
    39,381.72/59,054.80 = 11,295.32/x
  3. Step 3: Cross multiply
    39,381.72x = 59,054.80 × 11,295.32
  4. Step 4: Simplify right side
    39,381.72x = 667,042,863.54
  5. Step 5: Solve for x
    x = 667,042,863.54/39,381.72
  6. Step 6: Final answer
    x = 16,937.88

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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.