Home / 38,003.79-57,005.82-11,708.40

Finding the Fourth Proportional to 38,003.79, 57,005.82 and 11,708.40

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Solution

The fourth proportional to 38,003.79, 57,005.82 and 11,708.40 is: 17,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.79 : 57,005.82 = 11,708.40 : x
  2. Step 2: Convert to fraction form
    38,003.79/57,005.82 = 11,708.40/x
  3. Step 3: Cross multiply
    38,003.79x = 57,005.82 × 11,708.40
  4. Step 4: Simplify right side
    38,003.79x = 667,446,942.89
  5. Step 5: Solve for x
    x = 667,446,942.89/38,003.79
  6. Step 6: Final answer
    x = 17,562.64

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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.