Home / 37,272.30-51,438.69-21,360.66

Finding the Fourth Proportional to 37,272.30, 51,438.69 and 21,360.66

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Solution

The fourth proportional to 37,272.30, 51,438.69 and 21,360.66 is: 29,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272.30 : 51,438.69 = 21,360.66 : x
  2. Step 2: Convert to fraction form
    37,272.30/51,438.69 = 21,360.66/x
  3. Step 3: Cross multiply
    37,272.30x = 51,438.69 × 21,360.66
  4. Step 4: Simplify right side
    37,272.30x = 1,098,764,367.94
  5. Step 5: Solve for x
    x = 1,098,764,367.94/37,272.30
  6. Step 6: Final answer
    x = 29,479.38

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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.