Home / 45,986.43-68,965.07-19,684.11

Finding the Fourth Proportional to 45,986.43, 68,965.07 and 19,684.11

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Solution

The fourth proportional to 45,986.43, 68,965.07 and 19,684.11 is: 29,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986.43 : 68,965.07 = 19,684.11 : x
  2. Step 2: Convert to fraction form
    45,986.43/68,965.07 = 19,684.11/x
  3. Step 3: Cross multiply
    45,986.43x = 68,965.07 × 19,684.11
  4. Step 4: Simplify right side
    45,986.43x = 1,357,515,925.62
  5. Step 5: Solve for x
    x = 1,357,515,925.62/45,986.43
  6. Step 6: Final answer
    x = 29,519.92

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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.