Home / 37,748.78-52,091.99-20,752.90

Finding the Fourth Proportional to 37,748.78, 52,091.99 and 20,752.90

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Solution

The fourth proportional to 37,748.78, 52,091.99 and 20,752.90 is: 28,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,748.78 : 52,091.99 = 20,752.90 : x
  2. Step 2: Convert to fraction form
    37,748.78/52,091.99 = 20,752.90/x
  3. Step 3: Cross multiply
    37,748.78x = 52,091.99 × 20,752.90
  4. Step 4: Simplify right side
    37,748.78x = 1,081,059,859.27
  5. Step 5: Solve for x
    x = 1,081,059,859.27/37,748.78
  6. Step 6: Final answer
    x = 28,638.27

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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.