Home / 35,078.62-52,638.68-12,907.56

Finding the Fourth Proportional to 35,078.62, 52,638.68 and 12,907.56

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Solution

The fourth proportional to 35,078.62, 52,638.68 and 12,907.56 is: 19,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.62 : 52,638.68 = 12,907.56 : x
  2. Step 2: Convert to fraction form
    35,078.62/52,638.68 = 12,907.56/x
  3. Step 3: Cross multiply
    35,078.62x = 52,638.68 × 12,907.56
  4. Step 4: Simplify right side
    35,078.62x = 679,436,920.42
  5. Step 5: Solve for x
    x = 679,436,920.42/35,078.62
  6. Step 6: Final answer
    x = 19,368.98

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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.