Home / 57,553.05-79,435.47-38,679.24

Finding the Fourth Proportional to 57,553.05, 79,435.47 and 38,679.24

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Solution

The fourth proportional to 57,553.05, 79,435.47 and 38,679.24 is: 53,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,553.05 : 79,435.47 = 38,679.24 : x
  2. Step 2: Convert to fraction form
    57,553.05/79,435.47 = 38,679.24/x
  3. Step 3: Cross multiply
    57,553.05x = 79,435.47 × 38,679.24
  4. Step 4: Simplify right side
    57,553.05x = 3,072,503,608.64
  5. Step 5: Solve for x
    x = 3,072,503,608.64/57,553.05
  6. Step 6: Final answer
    x = 53,385.59

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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.