Home / 38,451.05-57,656.01-19,723.43

Finding the Fourth Proportional to 38,451.05, 57,656.01 and 19,723.43

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Solution

The fourth proportional to 38,451.05, 57,656.01 and 19,723.43 is: 29,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.05 : 57,656.01 = 19,723.43 : x
  2. Step 2: Convert to fraction form
    38,451.05/57,656.01 = 19,723.43/x
  3. Step 3: Cross multiply
    38,451.05x = 57,656.01 × 19,723.43
  4. Step 4: Simplify right side
    38,451.05x = 1,137,174,277.31
  5. Step 5: Solve for x
    x = 1,137,174,277.31/38,451.05
  6. Step 6: Final answer
    x = 29,574.60

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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.