Home / 39,007.90-58,521.30-11,305.90

Finding the Fourth Proportional to 39,007.90, 58,521.30 and 11,305.90

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Solution

The fourth proportional to 39,007.90, 58,521.30 and 11,305.90 is: 16,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.90 : 58,521.30 = 11,305.90 : x
  2. Step 2: Convert to fraction form
    39,007.90/58,521.30 = 11,305.90/x
  3. Step 3: Cross multiply
    39,007.90x = 58,521.30 × 11,305.90
  4. Step 4: Simplify right side
    39,007.90x = 661,635,965.67
  5. Step 5: Solve for x
    x = 661,635,965.67/39,007.90
  6. Step 6: Final answer
    x = 16,961.59

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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.