Home / 38,919.32-58,391.22-13,942.34

Finding the Fourth Proportional to 38,919.32, 58,391.22 and 13,942.34

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Solution

The fourth proportional to 38,919.32, 58,391.22 and 13,942.34 is: 20,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.32 : 58,391.22 = 13,942.34 : x
  2. Step 2: Convert to fraction form
    38,919.32/58,391.22 = 13,942.34/x
  3. Step 3: Cross multiply
    38,919.32x = 58,391.22 × 13,942.34
  4. Step 4: Simplify right side
    38,919.32x = 814,110,242.25
  5. Step 5: Solve for x
    x = 814,110,242.25/38,919.32
  6. Step 6: Final answer
    x = 20,917.89

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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.