Home / 37,286.34-51,455.32-21,371.72

Finding the Fourth Proportional to 37,286.34, 51,455.32 and 21,371.72

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Solution

The fourth proportional to 37,286.34, 51,455.32 and 21,371.72 is: 29,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.34 : 51,455.32 = 21,371.72 : x
  2. Step 2: Convert to fraction form
    37,286.34/51,455.32 = 21,371.72/x
  3. Step 3: Cross multiply
    37,286.34x = 51,455.32 × 21,371.72
  4. Step 4: Simplify right side
    37,286.34x = 1,099,688,691.55
  5. Step 5: Solve for x
    x = 1,099,688,691.55/37,286.34
  6. Step 6: Final answer
    x = 29,493.07

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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.