Home / 42,965.26-64,447.92-13,383.09

Finding the Fourth Proportional to 42,965.26, 64,447.92 and 13,383.09

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Solution

The fourth proportional to 42,965.26, 64,447.92 and 13,383.09 is: 20,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965.26 : 64,447.92 = 13,383.09 : x
  2. Step 2: Convert to fraction form
    42,965.26/64,447.92 = 13,383.09/x
  3. Step 3: Cross multiply
    42,965.26x = 64,447.92 × 13,383.09
  4. Step 4: Simplify right side
    42,965.26x = 862,512,620.20
  5. Step 5: Solve for x
    x = 862,512,620.20/42,965.26
  6. Step 6: Final answer
    x = 20,074.65

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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.