Home / 19,821.52-29,732.34-5,030.44

Finding the Fourth Proportional to 19,821.52, 29,732.34 and 5,030.44

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Solution

The fourth proportional to 19,821.52, 29,732.34 and 5,030.44 is: 7,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.52 : 29,732.34 = 5,030.44 : x
  2. Step 2: Convert to fraction form
    19,821.52/29,732.34 = 5,030.44/x
  3. Step 3: Cross multiply
    19,821.52x = 29,732.34 × 5,030.44
  4. Step 4: Simplify right side
    19,821.52x = 149,566,752.43
  5. Step 5: Solve for x
    x = 149,566,752.43/19,821.52
  6. Step 6: Final answer
    x = 7,545.68

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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.