Home / 57,396.38-79,171.26-39,460.24

Finding the Fourth Proportional to 57,396.38, 79,171.26 and 39,460.24

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Solution

The fourth proportional to 57,396.38, 79,171.26 and 39,460.24 is: 54,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396.38 : 79,171.26 = 39,460.24 : x
  2. Step 2: Convert to fraction form
    57,396.38/79,171.26 = 39,460.24/x
  3. Step 3: Cross multiply
    57,396.38x = 79,171.26 × 39,460.24
  4. Step 4: Simplify right side
    57,396.38x = 3,124,116,871.69
  5. Step 5: Solve for x
    x = 3,124,116,871.69/57,396.38
  6. Step 6: Final answer
    x = 54,430.56

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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.