Home / 38,751.22-58,105.01-13,438.88

Finding the Fourth Proportional to 38,751.22, 58,105.01 and 13,438.88

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Solution

The fourth proportional to 38,751.22, 58,105.01 and 13,438.88 is: 20,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.22 : 58,105.01 = 13,438.88 : x
  2. Step 2: Convert to fraction form
    38,751.22/58,105.01 = 13,438.88/x
  3. Step 3: Cross multiply
    38,751.22x = 58,105.01 × 13,438.88
  4. Step 4: Simplify right side
    38,751.22x = 780,866,217.75
  5. Step 5: Solve for x
    x = 780,866,217.75/38,751.22
  6. Step 6: Final answer
    x = 20,150.75

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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.