Home / 39,115.03-58,665.10-11,028.18

Finding the Fourth Proportional to 39,115.03, 58,665.10 and 11,028.18

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Solution

The fourth proportional to 39,115.03, 58,665.10 and 11,028.18 is: 16,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.03 : 58,665.10 = 11,028.18 : x
  2. Step 2: Convert to fraction form
    39,115.03/58,665.10 = 11,028.18/x
  3. Step 3: Cross multiply
    39,115.03x = 58,665.10 × 11,028.18
  4. Step 4: Simplify right side
    39,115.03x = 646,969,282.52
  5. Step 5: Solve for x
    x = 646,969,282.52/39,115.03
  6. Step 6: Final answer
    x = 16,540.17

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1.5x scale

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.