Home / 38,476.82-57,721.29-16,290.32

Finding the Fourth Proportional to 38,476.82, 57,721.29 and 16,290.32

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Solution

The fourth proportional to 38,476.82, 57,721.29 and 16,290.32 is: 24,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.82 : 57,721.29 = 16,290.32 : x
  2. Step 2: Convert to fraction form
    38,476.82/57,721.29 = 16,290.32/x
  3. Step 3: Cross multiply
    38,476.82x = 57,721.29 × 16,290.32
  4. Step 4: Simplify right side
    38,476.82x = 940,298,284.91
  5. Step 5: Solve for x
    x = 940,298,284.91/38,476.82
  6. Step 6: Final answer
    x = 24,438.05

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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.