Home / 54,300.20-81,462.60-19,239.86

Finding the Fourth Proportional to 54,300.20, 81,462.60 and 19,239.86

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Solution

The fourth proportional to 54,300.20, 81,462.60 and 19,239.86 is: 28,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.20 : 81,462.60 = 19,239.86 : x
  2. Step 2: Convert to fraction form
    54,300.20/81,462.60 = 19,239.86/x
  3. Step 3: Cross multiply
    54,300.20x = 81,462.60 × 19,239.86
  4. Step 4: Simplify right side
    54,300.20x = 1,567,328,611.92
  5. Step 5: Solve for x
    x = 1,567,328,611.92/54,300.20
  6. Step 6: Final answer
    x = 28,864.14

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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.