Home / 46,421.40-69,635.06-13,144.09

Finding the Fourth Proportional to 46,421.40, 69,635.06 and 13,144.09

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Solution

The fourth proportional to 46,421.40, 69,635.06 and 13,144.09 is: 19,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,421.40 : 69,635.06 = 13,144.09 : x
  2. Step 2: Convert to fraction form
    46,421.40/69,635.06 = 13,144.09/x
  3. Step 3: Cross multiply
    46,421.40x = 69,635.06 × 13,144.09
  4. Step 4: Simplify right side
    46,421.40x = 915,289,147.62
  5. Step 5: Solve for x
    x = 915,289,147.62/46,421.40
  6. Step 6: Final answer
    x = 19,716.97

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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.