Home / 36,278.61-54,431.91-14,107.61

Finding the Fourth Proportional to 36,278.61, 54,431.91 and 14,107.61

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Solution

The fourth proportional to 36,278.61, 54,431.91 and 14,107.61 is: 21,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.61 : 54,431.91 = 14,107.61 : x
  2. Step 2: Convert to fraction form
    36,278.61/54,431.91 = 14,107.61/x
  3. Step 3: Cross multiply
    36,278.61x = 54,431.91 × 14,107.61
  4. Step 4: Simplify right side
    36,278.61x = 767,903,885.68
  5. Step 5: Solve for x
    x = 767,903,885.68/36,278.61
  6. Step 6: Final answer
    x = 21,166.85

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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.