Home / 36,404.21-54,619.46-12,715.25

Finding the Fourth Proportional to 36,404.21, 54,619.46 and 12,715.25

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Solution

The fourth proportional to 36,404.21, 54,619.46 and 12,715.25 is: 19,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.21 : 54,619.46 = 12,715.25 : x
  2. Step 2: Convert to fraction form
    36,404.21/54,619.46 = 12,715.25/x
  3. Step 3: Cross multiply
    36,404.21x = 54,619.46 × 12,715.25
  4. Step 4: Simplify right side
    36,404.21x = 694,500,088.77
  5. Step 5: Solve for x
    x = 694,500,088.77/36,404.21
  6. Step 6: Final answer
    x = 19,077.47

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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.