Home / 37,473.78-51,713.73-21,561.36

Finding the Fourth Proportional to 37,473.78, 51,713.73 and 21,561.36

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Solution

The fourth proportional to 37,473.78, 51,713.73 and 21,561.36 is: 29,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,473.78 : 51,713.73 = 21,561.36 : x
  2. Step 2: Convert to fraction form
    37,473.78/51,713.73 = 21,561.36/x
  3. Step 3: Cross multiply
    37,473.78x = 51,713.73 × 21,561.36
  4. Step 4: Simplify right side
    37,473.78x = 1,115,018,349.47
  5. Step 5: Solve for x
    x = 1,115,018,349.47/37,473.78
  6. Step 6: Final answer
    x = 29,754.63

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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.