Home / 52,011.17-77,969.92-18,707.82

Finding the Fourth Proportional to 52,011.17, 77,969.92 and 18,707.82

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Solution

The fourth proportional to 52,011.17, 77,969.92 and 18,707.82 is: 28,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011.17 : 77,969.92 = 18,707.82 : x
  2. Step 2: Convert to fraction form
    52,011.17/77,969.92 = 18,707.82/x
  3. Step 3: Cross multiply
    52,011.17x = 77,969.92 × 18,707.82
  4. Step 4: Simplify right side
    52,011.17x = 1,458,647,135.24
  5. Step 5: Solve for x
    x = 1,458,647,135.24/52,011.17
  6. Step 6: Final answer
    x = 28,044.88

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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.