Home / 46,449.07-69,655.77-19,778.14

Finding the Fourth Proportional to 46,449.07, 69,655.77 and 19,778.14

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Solution

The fourth proportional to 46,449.07, 69,655.77 and 19,778.14 is: 29,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,449.07 : 69,655.77 = 19,778.14 : x
  2. Step 2: Convert to fraction form
    46,449.07/69,655.77 = 19,778.14/x
  3. Step 3: Cross multiply
    46,449.07x = 69,655.77 × 19,778.14
  4. Step 4: Simplify right side
    46,449.07x = 1,377,661,570.87
  5. Step 5: Solve for x
    x = 1,377,661,570.87/46,449.07
  6. Step 6: Final answer
    x = 29,659.62

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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.