Home / 38,918.25-58,394.33-13,635.90

Finding the Fourth Proportional to 38,918.25, 58,394.33 and 13,635.90

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Solution

The fourth proportional to 38,918.25, 58,394.33 and 13,635.90 is: 20,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.25 : 58,394.33 = 13,635.90 : x
  2. Step 2: Convert to fraction form
    38,918.25/58,394.33 = 13,635.90/x
  3. Step 3: Cross multiply
    38,918.25x = 58,394.33 × 13,635.90
  4. Step 4: Simplify right side
    38,918.25x = 796,259,244.45
  5. Step 5: Solve for x
    x = 796,259,244.45/38,918.25
  6. Step 6: Final answer
    x = 20,459.79

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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.