Home / 35,855.40-49,460.26-21,511.42

Finding the Fourth Proportional to 35,855.40, 49,460.26 and 21,511.42

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Solution

The fourth proportional to 35,855.40, 49,460.26 and 21,511.42 is: 29,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.40 : 49,460.26 = 21,511.42 : x
  2. Step 2: Convert to fraction form
    35,855.40/49,460.26 = 21,511.42/x
  3. Step 3: Cross multiply
    35,855.40x = 49,460.26 × 21,511.42
  4. Step 4: Simplify right side
    35,855.40x = 1,063,960,426.17
  5. Step 5: Solve for x
    x = 1,063,960,426.17/35,855.40
  6. Step 6: Final answer
    x = 29,673.65

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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.