Home / 36,672.72-55,017.36-13,299.36

Finding the Fourth Proportional to 36,672.72, 55,017.36 and 13,299.36

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Solution

The fourth proportional to 36,672.72, 55,017.36 and 13,299.36 is: 19,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.72 : 55,017.36 = 13,299.36 : x
  2. Step 2: Convert to fraction form
    36,672.72/55,017.36 = 13,299.36/x
  3. Step 3: Cross multiply
    36,672.72x = 55,017.36 × 13,299.36
  4. Step 4: Simplify right side
    36,672.72x = 731,695,676.89
  5. Step 5: Solve for x
    x = 731,695,676.89/36,672.72
  6. Step 6: Final answer
    x = 19,952.04

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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.