Home / 38,104.35-57,145.59-13,143.39

Finding the Fourth Proportional to 38,104.35, 57,145.59 and 13,143.39

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Solution

The fourth proportional to 38,104.35, 57,145.59 and 13,143.39 is: 19,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.35 : 57,145.59 = 13,143.39 : x
  2. Step 2: Convert to fraction form
    38,104.35/57,145.59 = 13,143.39/x
  3. Step 3: Cross multiply
    38,104.35x = 57,145.59 × 13,143.39
  4. Step 4: Simplify right side
    38,104.35x = 751,086,776.15
  5. Step 5: Solve for x
    x = 751,086,776.15/38,104.35
  6. Step 6: Final answer
    x = 19,711.31

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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.