Home / 36,779.56-55,120.14-13,383.88

Finding the Fourth Proportional to 36,779.56, 55,120.14 and 13,383.88

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Solution

The fourth proportional to 36,779.56, 55,120.14 and 13,383.88 is: 20,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.56 : 55,120.14 = 13,383.88 : x
  2. Step 2: Convert to fraction form
    36,779.56/55,120.14 = 13,383.88/x
  3. Step 3: Cross multiply
    36,779.56x = 55,120.14 × 13,383.88
  4. Step 4: Simplify right side
    36,779.56x = 737,721,339.34
  5. Step 5: Solve for x
    x = 737,721,339.34/36,779.56
  6. Step 6: Final answer
    x = 20,057.92

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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.