Home / 38,990.16-58,464.99-16,791.30

Finding the Fourth Proportional to 38,990.16, 58,464.99 and 16,791.30

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Solution

The fourth proportional to 38,990.16, 58,464.99 and 16,791.30 is: 25,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,990.16 : 58,464.99 = 16,791.30 : x
  2. Step 2: Convert to fraction form
    38,990.16/58,464.99 = 16,791.30/x
  3. Step 3: Cross multiply
    38,990.16x = 58,464.99 × 16,791.30
  4. Step 4: Simplify right side
    38,990.16x = 981,703,186.59
  5. Step 5: Solve for x
    x = 981,703,186.59/38,990.16
  6. Step 6: Final answer
    x = 25,178.23

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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.