Home / 55,221-82,799.91-25,623.60

Finding the Fourth Proportional to 55,221, 82,799.91 and 25,623.60

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Solution

The fourth proportional to 55,221, 82,799.91 and 25,623.60 is: 38,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221 : 82,799.91 = 25,623.60 : x
  2. Step 2: Convert to fraction form
    55,221/82,799.91 = 25,623.60/x
  3. Step 3: Cross multiply
    55,221x = 82,799.91 × 25,623.60
  4. Step 4: Simplify right side
    55,221x = 2,121,631,773.88
  5. Step 5: Solve for x
    x = 2,121,631,773.88/55,221
  6. Step 6: Final answer
    x = 38,420.74

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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.