Home / 51,027.27-76,551.81-21,429.87

Finding the Fourth Proportional to 51,027.27, 76,551.81 and 21,429.87

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Solution

The fourth proportional to 51,027.27, 76,551.81 and 21,429.87 is: 32,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.27 : 76,551.81 = 21,429.87 : x
  2. Step 2: Convert to fraction form
    51,027.27/76,551.81 = 21,429.87/x
  3. Step 3: Cross multiply
    51,027.27x = 76,551.81 × 21,429.87
  4. Step 4: Simplify right side
    51,027.27x = 1,640,495,336.56
  5. Step 5: Solve for x
    x = 1,640,495,336.56/51,027.27
  6. Step 6: Final answer
    x = 32,149.38

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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.