Home / 57,276.53-79,082.57-38,201.39

Finding the Fourth Proportional to 57,276.53, 79,082.57 and 38,201.39

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Solution

The fourth proportional to 57,276.53, 79,082.57 and 38,201.39 is: 52,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.53 : 79,082.57 = 38,201.39 : x
  2. Step 2: Convert to fraction form
    57,276.53/79,082.57 = 38,201.39/x
  3. Step 3: Cross multiply
    57,276.53x = 79,082.57 × 38,201.39
  4. Step 4: Simplify right side
    57,276.53x = 3,021,063,907.77
  5. Step 5: Solve for x
    x = 3,021,063,907.77/57,276.53
  6. Step 6: Final answer
    x = 52,745.23

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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.