Home / 54,912.64-82,337.73-21,614.65

Finding the Fourth Proportional to 54,912.64, 82,337.73 and 21,614.65

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Solution

The fourth proportional to 54,912.64, 82,337.73 and 21,614.65 is: 32,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,912.64 : 82,337.73 = 21,614.65 : x
  2. Step 2: Convert to fraction form
    54,912.64/82,337.73 = 21,614.65/x
  3. Step 3: Cross multiply
    54,912.64x = 82,337.73 × 21,614.65
  4. Step 4: Simplify right side
    54,912.64x = 1,779,701,215.74
  5. Step 5: Solve for x
    x = 1,779,701,215.74/54,912.64
  6. Step 6: Final answer
    x = 32,409.68

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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.