Home / 39,165.13-58,760.32-18,118.95

Finding the Fourth Proportional to 39,165.13, 58,760.32 and 18,118.95

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Solution

The fourth proportional to 39,165.13, 58,760.32 and 18,118.95 is: 27,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.13 : 58,760.32 = 18,118.95 : x
  2. Step 2: Convert to fraction form
    39,165.13/58,760.32 = 18,118.95/x
  3. Step 3: Cross multiply
    39,165.13x = 58,760.32 × 18,118.95
  4. Step 4: Simplify right side
    39,165.13x = 1,064,675,300.06
  5. Step 5: Solve for x
    x = 1,064,675,300.06/39,165.13
  6. Step 6: Final answer
    x = 27,184.27

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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.