Home / 35,788.43-49,384.28-20,679.91

Finding the Fourth Proportional to 35,788.43, 49,384.28 and 20,679.91

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Solution

The fourth proportional to 35,788.43, 49,384.28 and 20,679.91 is: 28,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.43 : 49,384.28 = 20,679.91 : x
  2. Step 2: Convert to fraction form
    35,788.43/49,384.28 = 20,679.91/x
  3. Step 3: Cross multiply
    35,788.43x = 49,384.28 × 20,679.91
  4. Step 4: Simplify right side
    35,788.43x = 1,021,262,394.05
  5. Step 5: Solve for x
    x = 1,021,262,394.05/35,788.43
  6. Step 6: Final answer
    x = 28,536.10

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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.