Home / 37,053.48-51,135-20,286.48

Finding the Fourth Proportional to 37,053.48, 51,135 and 20,286.48

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Solution

The fourth proportional to 37,053.48, 51,135 and 20,286.48 is: 27,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.48 : 51,135 = 20,286.48 : x
  2. Step 2: Convert to fraction form
    37,053.48/51,135 = 20,286.48/x
  3. Step 3: Cross multiply
    37,053.48x = 51,135 × 20,286.48
  4. Step 4: Simplify right side
    37,053.48x = 1,037,349,154.80
  5. Step 5: Solve for x
    x = 1,037,349,154.80/37,053.48
  6. Step 6: Final answer
    x = 27,996.00

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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.