Home / 35,105.13-52,678.50-12,934.06

Finding the Fourth Proportional to 35,105.13, 52,678.50 and 12,934.06

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Solution

The fourth proportional to 35,105.13, 52,678.50 and 12,934.06 is: 19,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.13 : 52,678.50 = 12,934.06 : x
  2. Step 2: Convert to fraction form
    35,105.13/52,678.50 = 12,934.06/x
  3. Step 3: Cross multiply
    35,105.13x = 52,678.50 × 12,934.06
  4. Step 4: Simplify right side
    35,105.13x = 681,346,551.65
  5. Step 5: Solve for x
    x = 681,346,551.65/35,105.13
  6. Step 6: Final answer
    x = 19,408.75

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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.