Home / 38,830.34-58,231.14-13,863.68

Finding the Fourth Proportional to 38,830.34, 58,231.14 and 13,863.68

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Solution

The fourth proportional to 38,830.34, 58,231.14 and 13,863.68 is: 20,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.34 : 58,231.14 = 13,863.68 : x
  2. Step 2: Convert to fraction form
    38,830.34/58,231.14 = 13,863.68/x
  3. Step 3: Cross multiply
    38,830.34x = 58,231.14 × 13,863.68
  4. Step 4: Simplify right side
    38,830.34x = 807,297,891.00
  5. Step 5: Solve for x
    x = 807,297,891.00/38,830.34
  6. Step 6: Final answer
    x = 20,790.39

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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.