Home / 37,637.58-51,939.78-21,722.03

Finding the Fourth Proportional to 37,637.58, 51,939.78 and 21,722.03

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Solution

The fourth proportional to 37,637.58, 51,939.78 and 21,722.03 is: 29,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.58 : 51,939.78 = 21,722.03 : x
  2. Step 2: Convert to fraction form
    37,637.58/51,939.78 = 21,722.03/x
  3. Step 3: Cross multiply
    37,637.58x = 51,939.78 × 21,722.03
  4. Step 4: Simplify right side
    37,637.58x = 1,128,237,459.35
  5. Step 5: Solve for x
    x = 1,128,237,459.35/37,637.58
  6. Step 6: Final answer
    x = 29,976.35

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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.