Home / 39,088.38-58,591.26-12,786.06

Finding the Fourth Proportional to 39,088.38, 58,591.26 and 12,786.06

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Solution

The fourth proportional to 39,088.38, 58,591.26 and 12,786.06 is: 19,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.38 : 58,591.26 = 12,786.06 : x
  2. Step 2: Convert to fraction form
    39,088.38/58,591.26 = 12,786.06/x
  3. Step 3: Cross multiply
    39,088.38x = 58,591.26 × 12,786.06
  4. Step 4: Simplify right side
    39,088.38x = 749,151,365.84
  5. Step 5: Solve for x
    x = 749,151,365.84/39,088.38
  6. Step 6: Final answer
    x = 19,165.58

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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.