Home / 39,201.82-58,809.78-14,276.86

Finding the Fourth Proportional to 39,201.82, 58,809.78 and 14,276.86

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Solution

The fourth proportional to 39,201.82, 58,809.78 and 14,276.86 is: 21,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.82 : 58,809.78 = 14,276.86 : x
  2. Step 2: Convert to fraction form
    39,201.82/58,809.78 = 14,276.86/x
  3. Step 3: Cross multiply
    39,201.82x = 58,809.78 × 14,276.86
  4. Step 4: Simplify right side
    39,201.82x = 839,618,995.69
  5. Step 5: Solve for x
    x = 839,618,995.69/39,201.82
  6. Step 6: Final answer
    x = 21,417.86

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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.