Home / 39,576.51-54,614.61-21,672.27

Finding the Fourth Proportional to 39,576.51, 54,614.61 and 21,672.27

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Solution

The fourth proportional to 39,576.51, 54,614.61 and 21,672.27 is: 29,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.51 : 54,614.61 = 21,672.27 : x
  2. Step 2: Convert to fraction form
    39,576.51/54,614.61 = 21,672.27/x
  3. Step 3: Cross multiply
    39,576.51x = 54,614.61 × 21,672.27
  4. Step 4: Simplify right side
    39,576.51x = 1,183,622,573.86
  5. Step 5: Solve for x
    x = 1,183,622,573.86/39,576.51
  6. Step 6: Final answer
    x = 29,907.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.