Home / 31,145.41-46,690.33-11,419.38

Finding the Fourth Proportional to 31,145.41, 46,690.33 and 11,419.38

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Solution

The fourth proportional to 31,145.41, 46,690.33 and 11,419.38 is: 17,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.41 : 46,690.33 = 11,419.38 : x
  2. Step 2: Convert to fraction form
    31,145.41/46,690.33 = 11,419.38/x
  3. Step 3: Cross multiply
    31,145.41x = 46,690.33 × 11,419.38
  4. Step 4: Simplify right side
    31,145.41x = 533,174,387.14
  5. Step 5: Solve for x
    x = 533,174,387.14/31,145.41
  6. Step 6: Final answer
    x = 17,118.88

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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.