Home / 37,428.22-51,650.94-21,515.77

Finding the Fourth Proportional to 37,428.22, 51,650.94 and 21,515.77

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Solution

The fourth proportional to 37,428.22, 51,650.94 and 21,515.77 is: 29,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.22 : 51,650.94 = 21,515.77 : x
  2. Step 2: Convert to fraction form
    37,428.22/51,650.94 = 21,515.77/x
  3. Step 3: Cross multiply
    37,428.22x = 51,650.94 × 21,515.77
  4. Step 4: Simplify right side
    37,428.22x = 1,111,309,745.32
  5. Step 5: Solve for x
    x = 1,111,309,745.32/37,428.22
  6. Step 6: Final answer
    x = 29,691.76

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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.