Home / 41,618.72-62,431.52-13,538.14

Finding the Fourth Proportional to 41,618.72, 62,431.52 and 13,538.14

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Solution

The fourth proportional to 41,618.72, 62,431.52 and 13,538.14 is: 20,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,618.72 : 62,431.52 = 13,538.14 : x
  2. Step 2: Convert to fraction form
    41,618.72/62,431.52 = 13,538.14/x
  3. Step 3: Cross multiply
    41,618.72x = 62,431.52 × 13,538.14
  4. Step 4: Simplify right side
    41,618.72x = 845,206,529.59
  5. Step 5: Solve for x
    x = 845,206,529.59/41,618.72
  6. Step 6: Final answer
    x = 20,308.32

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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.