Home / 37,221.78-55,840.86-20,606.04

Finding the Fourth Proportional to 37,221.78, 55,840.86 and 20,606.04

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Solution

The fourth proportional to 37,221.78, 55,840.86 and 20,606.04 is: 30,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.78 : 55,840.86 = 20,606.04 : x
  2. Step 2: Convert to fraction form
    37,221.78/55,840.86 = 20,606.04/x
  3. Step 3: Cross multiply
    37,221.78x = 55,840.86 × 20,606.04
  4. Step 4: Simplify right side
    37,221.78x = 1,150,658,994.79
  5. Step 5: Solve for x
    x = 1,150,658,994.79/37,221.78
  6. Step 6: Final answer
    x = 30,913.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.