Home / 37,121.44-51,230.64-21,210.88

Finding the Fourth Proportional to 37,121.44, 51,230.64 and 21,210.88

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Solution

The fourth proportional to 37,121.44, 51,230.64 and 21,210.88 is: 29,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.44 : 51,230.64 = 21,210.88 : x
  2. Step 2: Convert to fraction form
    37,121.44/51,230.64 = 21,210.88/x
  3. Step 3: Cross multiply
    37,121.44x = 51,230.64 × 21,210.88
  4. Step 4: Simplify right side
    37,121.44x = 1,086,646,957.36
  5. Step 5: Solve for x
    x = 1,086,646,957.36/37,121.44
  6. Step 6: Final answer
    x = 29,272.76

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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.