Home / 37,472.06-51,721.87-21,561.64

Finding the Fourth Proportional to 37,472.06, 51,721.87 and 21,561.64

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Solution

The fourth proportional to 37,472.06, 51,721.87 and 21,561.64 is: 29,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,472.06 : 51,721.87 = 21,561.64 : x
  2. Step 2: Convert to fraction form
    37,472.06/51,721.87 = 21,561.64/x
  3. Step 3: Cross multiply
    37,472.06x = 51,721.87 × 21,561.64
  4. Step 4: Simplify right side
    37,472.06x = 1,115,208,341.07
  5. Step 5: Solve for x
    x = 1,115,208,341.07/37,472.06
  6. Step 6: Final answer
    x = 29,761.06

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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.