Home / 37,051.74-51,126.64-21,135.24

Finding the Fourth Proportional to 37,051.74, 51,126.64 and 21,135.24

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Solution

The fourth proportional to 37,051.74, 51,126.64 and 21,135.24 is: 29,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,051.74 : 51,126.64 = 21,135.24 : x
  2. Step 2: Convert to fraction form
    37,051.74/51,126.64 = 21,135.24/x
  3. Step 3: Cross multiply
    37,051.74x = 51,126.64 × 21,135.24
  4. Step 4: Simplify right side
    37,051.74x = 1,080,573,806.79
  5. Step 5: Solve for x
    x = 1,080,573,806.79/37,051.74
  6. Step 6: Final answer
    x = 29,163.92

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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.