Home / 36,408.84-54,626.41-12,719.89

Finding the Fourth Proportional to 36,408.84, 54,626.41 and 12,719.89

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Solution

The fourth proportional to 36,408.84, 54,626.41 and 12,719.89 is: 19,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.84 : 54,626.41 = 12,719.89 : x
  2. Step 2: Convert to fraction form
    36,408.84/54,626.41 = 12,719.89/x
  3. Step 3: Cross multiply
    36,408.84x = 54,626.41 × 12,719.89
  4. Step 4: Simplify right side
    36,408.84x = 694,841,721.09
  5. Step 5: Solve for x
    x = 694,841,721.09/36,408.84
  6. Step 6: Final answer
    x = 19,084.42

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1.5x scale

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.