Home / 55,179.21-82,754.19-15,188.70

Finding the Fourth Proportional to 55,179.21, 82,754.19 and 15,188.70

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Solution

The fourth proportional to 55,179.21, 82,754.19 and 15,188.70 is: 22,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.21 : 82,754.19 = 15,188.70 : x
  2. Step 2: Convert to fraction form
    55,179.21/82,754.19 = 15,188.70/x
  3. Step 3: Cross multiply
    55,179.21x = 82,754.19 × 15,188.70
  4. Step 4: Simplify right side
    55,179.21x = 1,256,928,565.65
  5. Step 5: Solve for x
    x = 1,256,928,565.65/55,179.21
  6. Step 6: Final answer
    x = 22,779.02

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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.