Home / 42,758.30-64,137.42-11,593.56

Finding the Fourth Proportional to 42,758.30, 64,137.42 and 11,593.56

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Solution

The fourth proportional to 42,758.30, 64,137.42 and 11,593.56 is: 17,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,758.30 : 64,137.42 = 11,593.56 : x
  2. Step 2: Convert to fraction form
    42,758.30/64,137.42 = 11,593.56/x
  3. Step 3: Cross multiply
    42,758.30x = 64,137.42 × 11,593.56
  4. Step 4: Simplify right side
    42,758.30x = 743,581,027.02
  5. Step 5: Solve for x
    x = 743,581,027.02/42,758.30
  6. Step 6: Final answer
    x = 17,390.33

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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.