Home / 36,948.90-50,987.31-21,842.94

Finding the Fourth Proportional to 36,948.90, 50,987.31 and 21,842.94

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Solution

The fourth proportional to 36,948.90, 50,987.31 and 21,842.94 is: 30,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.90 : 50,987.31 = 21,842.94 : x
  2. Step 2: Convert to fraction form
    36,948.90/50,987.31 = 21,842.94/x
  3. Step 3: Cross multiply
    36,948.90x = 50,987.31 × 21,842.94
  4. Step 4: Simplify right side
    36,948.90x = 1,113,712,753.09
  5. Step 5: Solve for x
    x = 1,113,712,753.09/36,948.90
  6. Step 6: Final answer
    x = 30,141.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.