Home / 36,146.79-54,209.75-12,453.35

Finding the Fourth Proportional to 36,146.79, 54,209.75 and 12,453.35

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Solution

The fourth proportional to 36,146.79, 54,209.75 and 12,453.35 is: 18,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.79 : 54,209.75 = 12,453.35 : x
  2. Step 2: Convert to fraction form
    36,146.79/54,209.75 = 12,453.35/x
  3. Step 3: Cross multiply
    36,146.79x = 54,209.75 × 12,453.35
  4. Step 4: Simplify right side
    36,146.79x = 675,092,656.85
  5. Step 5: Solve for x
    x = 675,092,656.85/36,146.79
  6. Step 6: Final answer
    x = 18,676.42

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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.