Home / 37,472.31-51,710.36-21,561.89

Finding the Fourth Proportional to 37,472.31, 51,710.36 and 21,561.89

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Solution

The fourth proportional to 37,472.31, 51,710.36 and 21,561.89 is: 29,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,472.31 : 51,710.36 = 21,561.89 : x
  2. Step 2: Convert to fraction form
    37,472.31/51,710.36 = 21,561.89/x
  3. Step 3: Cross multiply
    37,472.31x = 51,710.36 × 21,561.89
  4. Step 4: Simplify right side
    37,472.31x = 1,114,972,727.82
  5. Step 5: Solve for x
    x = 1,114,972,727.82/37,472.31
  6. Step 6: Final answer
    x = 29,754.58

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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.